If your life mantra is less “go with the flow” and more “tell me every freaking thing that’s going to happen, goddammit”, this is the article for you.

TBH, though, I think everyone considering or embarking on IVF should read this: it will help prepare you for what’s to come, reassure you about certain weird aspects of the process, answer questions you might have, and explain why the doctor is prescribing certain meds or telling you to go for your fifth blood test of the week.

Feel free to skip the sciencey explanations if you like – although that does mean you’ll be missing out on some of my best jokes.

(By the way, if you want to know about the steps that take place before you begin IVF – including blood tests, “mock embryo transfer” and lots more – read this page.)

Free downloadable guide: "Questions to ask your doctor at every stage of IVF treatment"

Please 'scuse the brief interlude. My free downloadable guide contains questions that will help you understand the IVF process better, get the answers you deserve, and feel more in control of the situation (and your rights as a patient).

Enter your email address to receive it right away.

First up: what happens in a “normal” menstrual cycle?

By knowing what normally goes on, you’ll find it easier to understand the whats and whys of the IVF process below.

Here’s the nutshellised version of a “normal” menstrual cycle:

1: Inside your ovaries are hundreds of thousands of follicles – and most of those follicles (about 90% of them) contain something called an oocyte, which is an immature egg cell. (It’s pronounced “oh-iss-site” but I prefer “OOOOH!-site”.) The other follicles are empty, useless, poor excuses for follicles – but at least they’re in the minority.

Follicle and oocyte

2: During a “normal” menstrual cycle, many follicles begin to develop/grow at the same time – and the oocytes inside them begin to develop too. This is thanks to a hormone called “follicle-stimulating hormone” (FSH), which is released by the pituitary gland. (In case you’re wondering, the pituitary gland can be found behind the bridge of your nose.)

How does the pituitary gland know what to do? Well, the hypothalamus in your brain produces a hormone called “gonadotrophin-releasing hormone” (GnRh). This hormone travels to the pituitary gland and tells it to release FSH. If you’re wondering how the hypothalamus knows what to do… just think of it as the all-knowing, all-powerful ruler of your brain.

3: While the follicles are developing, the cells around the oocytes produce another hormone, oestradiol (a type of oestrogen), which causes the lining of the uterus to thicken and prepare for an exciting new visitor: a fertilised egg.

IVF process step by step – a regular menstrual cycle

4: Even though lots of follicles started to develop at the same time, there’s one standout, chest-thumping MVP of a follicle that grows faster than all the others – and it’s known as the “dominant follicle”. The cells around the oocyte in that follicle will produce a buttload more oestradiol, which in turn sends a signal to decrease the amount of FSH being produced. The decrease in FSH has the effect of quieting all the other follicles, leaving only that one dominant follicle to continue growing.

5: Once that follicle reaches about 15–24mm in diameter, the oocyte inside it is pretty much ready to be fertilised. Only one ovary will produce the “dominant follicle” each time, and (pub quiz trivia time), the right ovary is more likely to be the winner.

6: But… not so fast. In order to fully mature and be fertilised, the oocyte needs to break free from its follicle and make its way somewhere that the sperm will find it.

7: So… remember that oestradiol back at the beginning? Its levels have been rising all this time, and right now we’re at “peak oestradiol” – which acts as a heads-up to the pituitary gland that the ovary is ready for oocyte release.

8: The pituitary gland responds by sending out a high level of a hormone called “luteinising hormone” (LH) – which in turn acts as a heads-up to the ovary: “IT’S TIME TO RELEASE THE OOCYTE!!!” This is known as the “LH surge”.

9: The oocyte finishes “maturing” through a process called “meiosis”, then bursts out of the follicle, Incredible Hulk-style (I imagine) and leaves the ovary. Now called an “egg” (or “ovum” if you’re pretentious), it travels down the fallopian tube, ready to be fertilised by sperm swimming towards it. This, FYI, is the specific point at which you’re ovulating.

Oocyte travelling through fallopian tube

Ovulation normally occurs 24 to 36 hours after the LH surge, which is why high levels of LH indicate peak fertility. Once ovulation has taken place, the egg only lives for about 12–24 hours: after that it’s useless. That’s why sperm (which survive about three days) ideally need to be ready and waiting inside the fallopian tubes for fertilisation to take place.

10: If the egg is fertilised by sperm, it becomes known as a “zygote” – and it now contains all the 46 chromosomes needed to become a fully fledged human. The zygote will continue to travel down the fallopian tube before coming to rest in the uterus.

At this stage, yet another hormone called “human chorionic gonadotropin” (hCG) is released, and it tells the ovaries to pump out progesterone. The progesterone kind of takes over the role of oestradiol in keeping the uterus lining thick and nourished. Oestradiol/oestrogen and progesterone levels then remain high throughout pregnancy.

Fun fact: pregnancy tests measure hCG levels, because men and non-pregnant women have zero levels of that particular hormone in their bodies.

(If the egg isn’t fertilised, it’ll be lost from the uterus. Meanwhile, oestradiol and progesterone levels will drop, the uterus lining will break down, and you’ll get your period about two weeks later.)

The end! This is the basic gist. There’s a lot more to it, but it’s everything you’ll need to know for now – especially as you have a lot more information ahead of you when it comes to IVF.

To avoid wearing out the “o” on my keyboard, I’ll be simplifying the egg-related terminology from now on: “oocyte”, “ovum” “egg” and “zygote” will all be lumped together as “egg”.

Here goes…

Step 1 of IVF: the docs take control of your menstrual cycle  

  • The goal: reset your menstrual cycle
  • Approximate time taken: 7–10 days (for long protocol); 0 days (for short protocol)
  • Approximate number of appointments needed: 2 (for long protocol); 1 (for short protocol)
  • Potential side effects: menopause-like symptoms (for long protocol); nada – for now (for short protocol)

While no one plants a flag on your pituitary gland and triumphantly declares, “This is ALL MINE now, ha ha haaaaaa”, it can sometimes feel that way – especially when the drugs start making you feel all sorts of deranged, hot-tempered emotions that you never knew existed.

“The medical overlords are really screwing with me today,” you’ll occasionally think to yourself – before you start laughing hysterically or sobbing uncontrollably (or both)*. The first proper stage of IVF involves getting your body prepared, and it can get rather technical indeed…

*I’m exaggerating for comic(ish) effect, but you’ll soon see why some women do start to act like they’ve had a booster pack of PMS installed in their brains.  

Why do they need to take control of my menstrual cycle?

As discussed above, in normal, run-of-the-mill (i.e. natural) ovulation, just one mature egg is released into the fallopian tube each month. And providing you and your partner don’t have any fertility issues, the process works great if pregnancy is the end goal: every 28 days or so, one mature egg will be released, your app/iCal/pee stick/intuition will tell you that you’re ovulating, and you’ll get jiggy in the bedroom for the next few days.

With this method (i.e. the quaint, old-fashioned way of making a baby), you have a 15–25% chance of getting pregnant each month, depending on your age – and most non-fertility-compromised couples find themselves up the duff within six months.

There are a couple of problems with this method when it comes to IVF:

  • The doctors don’t want just one measly egg: they want heaps of ‘em from you. Why? Because lots of eggs mean a better chance that at least one of them can be fertilised and placed back in your uterus. Those eggs need to be ready for fertilisation at around the same time, though, so that they can all be collected together. When the doctors take control of your menstrual cycle, they can make sure all your egg-containing follicles grow at the same time and speed as each other.

Basket of eggs

  • The doctors need to be able to know exactly when your eggs will be ready for retrieval – so that they be ready and waiting with baseball mitts to catch them all as they leap out of your body, ready for some hot-n-heavy petri dish action. You therefore don’t want to start ovulating naturally before IVF begins, because it means that when IVF does begin, you’ll have a nice big mess of timings and confusion. By taking control of your menstrual cycle, doctors are able to determine when to start the process of growing your follicles.

How do they actually take over my menstrual cycle?

There are two main ways: the “long protocol” and the “short protocol”. (There’s also a less-common protocol called “microdose flare protocol”.) Which protocol will you be on? That depends on a number of factors, and soon I'll outline them all in a post about long protocols vs short protocols.  

The long protocol (also known as “downregulation”)

Downregulation basically sets your menstrual cycle to zero, and it’s not all that dissimilar from the menopause – albeit a temporary one. Cue occasional menopausal symptoms, such as hot flushes, night sweats, vaginal dryness, acne, sore muscles, forgetfulness, minor depression and headaches. Don’t worry about this too much in advance, though: many women get no side effects whatsoever.

From a science-y perspective, downregulation prevents the release of the hormones FSH and LH from the pituitary gland – which has the effect of preventing premature ovulation. Oestradiol production also grinds to a halt. In practice, this means the following:

  1. You’ll take drugs as injections or a sniffer spray for 7–10 days – and you’ll start taking these drugs at a specific point in your menstrual cycle (usually on day 1, 2 or 21). The downregulation drugs you’ll take are called “gonadotrophin-releasing hormone (GnRH) agonists”. Brand names include:

    Suprecur (generic name: buserelin): nasal spray

    Suprefact (generic name: buserelin): injections

    Lupron (generic name: leuprolide): injections

    Synarel (generic name: nafarelin): nasal spray

  2. After 7–10 days, you’ll have a blood test to check that your oestradiol levels are low, and you’ll also have a transvaginal ultrasound examination (a scan) to make sure your ovaries are “quiet” and the lining of your uterus is thin.
  3. And THEN you can get started on “ovarian stimulation” (i.e. the proper bit of IVF)!

FYI… some clinics and hospitals will ask you to go on the contraceptive pill the preceding month, for purposes of “scheduling convenience”. It means they (and you) can know exactly when your period will arrive. Another reason might also be to prevent the creation of cysts, which can happen with natural cycles.

Sometimes you’ll be prescribed something that’s similar to the contractive pill but isn’t one. Names for these pills include Provera and Norethisterone.

The short protocol

The short protocol is – unsurprisingly – shorter, and it gets you started on “proper” IVF almost immediately. Here’s what happens:

  1. Usually on day 3 of your period, you’ll have a transvaginal ultrasound examination (a scan) to check that there aren’t any pesky cysts on your ovaries, and that your uterus lining is nice and thin. You’ll also have a blood test to check that your oestradiol levels are low. 

    As with the long protocol, some clinics and hospitals will ask you to go on the contraceptive pill the preceding month, for purposes of “scheduling convenience”. Another reason might also be to prevent the creation of cysts, which can happen with natural cycles.

    Sometimes you’ll be prescribed something that’s similar to the contractive pill but isn’t one. Names for these pills include Provera and Norethisterone.

  2. If the scan and blood test indicate that you’re ready, you’ll begin the “ovarian stimulation” phase right away.

What happens if I don’t have a menstrual cycle to take control of?

I didn’t either: my periods stopped when I was 15 and they never returned again. (Something to do with a “sticky hypothalamus”, apparently.) You’ll still go on the long or short protocol, and your clinic will decide whether you should go on the contraceptive pill first (to bring about a bleed).

Step 2 of IVF: time to get your ovaries stimulated!

  • The goal: end up with a decent number of mature eggs, ready to be fertilised
  • Approximate time taken: 10–12 days
  • Approximate number of appointments needed: 2–7 (ish – depending on what your follicles are up to and what your blood test results show)
  • Potential side effects: headache, nausea, vomiting, mild stomach pain, dizziness, bloating, injection site reactions (redness, bruising, etc.), breast swelling/tenderness, runny or stuffy nose, sore throat, acne, skin rash

FINALLY, right?!

As mentioned earlier, a “normal” ovulation cycle usually results in one dominant follicle – i.e. one big hunk of a follicle that releases a mature egg into the fallopian tube, ready to be fertilised. In an IVF cycle, the goal is to have as many big hunky follicles as possible – because it’ll increase your odds of success with treatment.

Mathematical formula(ish) time!

Most hospitals and clinics aim for around ten big follicles – and to achieve this you’ll start giving yourself injections of either follicle-stimulating hormone (FSH) (also known as follitropins) or a combination of FSH and luteinising hormone (LH) (known collectively as human menopausal gonadotrophins – or hMG).

As you’ll know from the start of this article, an uninterfered-with female body produces FSH and LH naturally. With IVF, however, you’ll be given a more prolonged dose of FSH (or FSH and LH) than your body would normally produce, in order to get loads of follicles to grow rather than just one.

Both FSH and hMG injections will bypass the hypothalamus and pituitary glands to directly stimulate your follicles in the ovaries.

Which stimulation medication will I be on?

Common FSH-only medications include:

  • Follistim
  • Gonal-F
  • Bravelle
  • Bemfola
  • Pergoveris
  • Puregon

Common FSH+LH medications (known as human menopausal gonadotrophin or hMG) include:

  • Repronex
  • Menopur

There are slight variations in how you take each type of medication, but the general gist is: you’ll be stabbing yourself daily. Usually more than once a day.

Pile of syringes

The precise type/make of medication (as well as the dosage) you take will depend on a number of factors – some of which are unique to you (such as your LH and FSH levels), and some of which are just down to cost and doctor preference. Some people will be put on different medication for round 2 if round 1 was unsuccessful and caused any particular problems (e.g. iffy side effects, bad-quality eggs, or an unusually long time for follicles to increase in size).

What happens after I begin the injections?

You’ll spend a lot of time with a cold, dildo-shaped wand up your whoojamaflip and a syringe that drains blood from your arm. Fun times.

Basically: don’t plan any holidays during this time. And ideally don’t have a job, either, because it really gets in the way of all your medical appointments. (I’m freelance and work from home, and I have no bloomin’ clue how people in regular jobs manage.)

The scans: why and when

As a result of Step 1, you’ll no doubt already be on first-name terms with the dildo-shaped wand (mine was called Stan), but prepare to get seriously familiar with it over the next couple of weeks. We’re talking frequent transvaginal ultrasound examinations (scans) here: twice a week if you’re lucky, daily if you’re not.

Stan (also known as a “dildocam”) is there to check on the follicles growing in your ovaries – both how many and what size. (Your eggs can’t be seen on the scan because they’re microscopic in size, so the size of the follicle is used as a proxy.) The results are plotted on a graph on a piece of paper. 

IVF process step by step – follicle growth chart

While downregulation/taking over your menstrual cycle allows all follicles to grow at roughly the same speed, your ovaries still like to prove that they have a degree of freedom in the process – and as a result, there’ll be some variation in the sizes of your follicles. The doctors’ aim is to end up with at least ten follicles that are approximately 15–24mm in diameter – i.e. follicles containing eggs that are deemed ready for ovulation.

Most doctors actually prefer to wait until at least a few follicles have reached at least 18mm: at 15mm, the eggs inside still might not be ready for ovulation. On the other hand, the follicles can’t be left to grow for too long: go past 24mm and there’s a risk that the eggs will be too “ripe” and therefore can’t be used.  

It has to be timed beautifully, basically. And it’s why you might need to go in for multiple sessions with Stan over the course of the ovarian stimulation process.

The blood tests: why and when

The blood tests check your oestradiol levels. As we know, oestradiol levels rise during a “normal” non-IVF cycle – and they’ll rise by a greater amount in an IVF cycle because you’re growing more follicles, and the cells inside each follicle produce oestradiol. But having a sky-high amount of the stuff means you’re at risk of ovarian hyperstimulation syndrome (OHSS). Having lots and lots of large follicles is usually an indicator that your oestradiol levels will be elevated, because the cells in each large (>15mm) follicle will produce around 200–500 pg/ml of oestradiol.

  • The dream scenario: approximately 15–20 follicles (18–24mm), and oestradiol levels between 2,000 and 4,000 pg/ml.
  • Getting worrisome: more than 20 follicles (18–24mm), and oestradiol levels between 4,000 and 6,000 pg/ml.
  • Eeek: more than 30 follicles (18–24mm), and oestradiol levels above 6,000 pg/ml.

Read more about oestradiol levels here.

Your medication will be adjusted according to how well your follicles are growing and whether you seem to be at risk of developing OHSS. (Some people are even told to “coast” for a few days – which means “lay off the drugs for a while to let your oestradiol levels settle down and make sure you’re not growing any more follicles”.) Read the page on OHSS for much more information about all this.

What happens if you have a fudgeton of eggs and your oestradiol levels refuse to calm down? There’s a chance you’ll have to stop this IVF cycle and start again from scratch. Sorry: no easy way to say that.

How do the doctors make sure I don’t ovulate by accident?

There are probably many things worse in life than spontaneous ovulation, but… who are we kidding? That would be the ultimate kick in the teeth, right? You go through all this hassle and pain to create an impressive basketful of eggs, and then out of nowhere they decide to mature and pop out of their follicles when no one’s around to catch them.

Thankfully, there’s a solution for this. Less thankfully, it involves yet more injections…

  • If you’re on the long protocol (i.e. downregulation), you’ll be instructed to continue taking your ovulation-preventing “gonadotrophin-releasing hormone (GnRH) agonists” – Lupron, Suprecur, Synarel, etc. – while stimulating your ovaries.
  • If you’re on the short protocol, you’ll start taking similar drugs to the GnRH agonists – except these ones are called “GnRH antagonists”. Names for these drugs include Cetrotide and Ganirelix, and you’ll start taking them once some of the follicles have reached a certain size – around 14mm. Unlike the agonists, these injections get to work right away at preventing ovulation. That’s why you didn’t need to start taking these drugs for a couple of weeks before the ovary stimulation phase (unlike those on the long protocol).

The GnRH agonists and antagonists prevent spontaneous ovulation in slightly different ways – ways that you don’t need to worry about right now. Just know that they’ll rein in your eager eggs until everyone’s ready for them.

Keep reading… there's more below.

 

Free downloadable guide: “Questions to ask your doctor at every stage of IVF treatment”

Please ‘scuse the brief interlude. My free downloadable guide contains questions that will help you understand the IVF process better, get the answers you deserve, and feel more in control of the situation (and your rights as a patient).

Enter your email address to receive it right away.

 

Step 3 of IVF: let’s get ovulating

  • The goal: get your eggs ready for retrieval!
  • Approximate time taken: 1 injection
  • Approximate number of appointments needed: 0

A big moment: at this point, you have plenty of follicles that are the right size, which means you also have plenty of eggs that are almost ready for retrieval! What’s more, the lining of your uterus has grown to be nice and thick, to form a comfortable cushion for the embryo that will be placed there shortly.

All you need to do now is get those darn eggs out of you.

An imaginary discussion with your ovaries shall now commence…

You: Hello, Ovaries. It’s ovulation time! You excited? Yeahhhhh, course you are!

Ovaries: Hang on just one sweet second… you’ve been doing everything in your power to stop me from ovulating (I wasn’t allowed to release even one teeny egg), and now you’re suddenly acting like ovulation is the best thing since crossword toilet paper? What happens if I don’t want to ovulate?

You: It’s called “doing a one-eighty”, and you just have to deal with it. (But thank you ever so much for your service thus far. Seriously: great job.)

How do I trigger ovulation?

You’ll be given a time slot to go into the clinic for egg retrieval, and you’ll be asked to give yourself a special “trigger” injection a precise number of hours (it’s usually 36 hours) before that slot.  

You know how medication pamphlets often provide warnings like “Don’t operate heavy machinery while using this medication”, or “Don’t take with alcohol”? And you just think “Screw that: I have a forklift to drive and a wedding to attend, so I’m damn well taking this Benadryl anyway”? We’ve all been there. But when it comes to your trigger shot, pay attention to the instructions provided by your doctors. You MUST inject yourself at precisely the right time – and you MUST heed their warnings about all the stuff you need to do beforehand. The reason will become clear in a sec.

Where was I? Oh yes: the trigger injection. This completes the final process of maturing the egg (known as “meiosis”) and causing ovulation. There are two main types of trigger injection, and the one you have will depend on a few different factors:

  • The hCG trigger injection is normally used by people who’ve been on the long protocol (i.e. downregulation). hCG stands for “human chorionic gonadotrophin”, and it’s the same hormone that’s released at the start of pregnancy. So what’s it doing at this stage of the IVF process, you might ask, before anything’s been fertilised?

    Well… hCG is very similar to our old friend LH – and as we know from about three trillion words ago now, LH is what stimulates ovulation in “normal”, non-IVF cycles. hCG can have a similar stimulatory effect in people undergoing IVF – especially for those whose natural LH levels have been suppressed through downregulation.
  • A GnRH agonist (such as Lupron) is often used for people who’ve been on the short protocol. It causes the release of a natural LH surge – which is what happens with a “normal” cycle to induce ovulation. If you have so many follicles that you’re verging on too many, a GnRH agonist will reduce the risk of OHSS compared to hCG. Wait… back up a second. The hormone that helped to prevent ovulation in long-protocol patients is now being used to stimulate ovulation in short-protocol patients? WTF?

    Yes indeedy. You see, drugs like Lupron cause a MAHASSIVE LH (and FSH) surge when you start taking them, but that doesn’t matter during downregulation because the injections are given after an egg has been released by the ovaries. (If given beforehand, the drug can induce ovulation – like it does when used as a trigger.) Then after a week or so of taking the Lupron, the body gets overwhelmed by all the LH and becomes densensitised to it… which has the effect of stopping FSH, LH and oestradiol production. When you take a single GnRH agonist dose after stimulation, on the other hand, you’ll get the LH surge right when you need it.

The GnRH agonist seems safer for everyone, so why not just use it on us all? Well… not all patients respond to it – especially those who’ve undergone downregulation or have insufficient natural LH levels. It’s really only useful for those who are at high risk of OHSS already.

Some people will have a dual trigger – part hCG, part GnRH agonist – which reduces the likelihood of a shitty response while keeping the risk of OHSS low.

What happens after I’ve had the trigger injection?

The countdown begins until egg retrieval time! As mentioned above, you’ll have been given a specific time to arrive at the clinic/hospital, which will be a specific number of hours (usually around 36 hours) after the trigger injection.

Here’s why: ovulation takes place approximately 36 hours after the trigger injection gets into your system (which takes a bit of time in itself). The doctors need to collect your eggs just before ovulation takes place, but just after the eggs are fully developed and ready. It’s a teeny tiny window of time, and if you miss it, you’re screwed.

You mustmustmust do what the doctors say when it comes to the time you take your trigger and the time you arrive at the hospital/clinic: they’re being strict for a reason.

Another rule? You’ll be told to fast from midnight the night before your egg retrieval – including chewing gum and sweets – and to stop drinking four hours before the procedure. This is to protect your own health. Well, I say “health”, but what I mean is “life”: you’ll be heavily sedated or anaesthetised while the eggs are collected, and food or drink in your system can cause something called “aspiration”. I won’t explain it all here, but Google it if you want the deets.

Step 4 of IVF: egg (and sperm) retrieval time

  • The goal: get those eggs out of you!
  • Approximate time taken: 20 minutes for the actual procedure, plus an hour or so for “recovery” before you’re allowed home
  • Approximate number of appointments needed: 1
  • Potential side effects: general bleurghness from sedation, soreness “down there”, cramping, insaaane constipation, ovarian torsion, OHSS

The big day! You’ll need to book the morning off work, but plenty of women choose to take at least the full day off. If you’re going to come down with OHSS (which usually kicks in a few days after egg retrieval), you’ll need a good week at home – more if you have the “serious” kind.

You’ll arrive at the clinic, fill in a bunch of forms, swear on your life that you haven’t eaten since midnight or had anything to drink since the crack of dawn, and be instructed to change into a hospital gown.

Then you’ll be wheeled into theatre and be put under heavy sedation or general anaesthetic (depending on the clinic/hospital) while the doctor makes lame jokes in a sweet attempt to calm your nerves. Then… blankness. You’re out for the count while they get at your eggs.

Here’s what happens:

  • They’ll pass a needle through the top of the vagina to get to the ovary and follicles. Ultrasound guidance helps them find the exact spot.
  • Next they’ll “puncture” (my word, not theirs) the follicles so that the eggs detach from the follicle walls and can be sucked out of the ovary.
  • The eggs will be taken to the IVF lab, ready for fertilisation.
  • You’ll wake up feeling a bit crampy, a bit moody and possibly a bit hungry.

IVF process step by step – egg collection diagram

Meanwhile…

I haven’t mentioned what your partner’s up to while your precious insides are being poked and prodded by a massive needle. He’s having a marvellous time: watching porn, reading fetish websites, fantasising about Scarlett Johansson and jizzing away happily in his own private wank-off room.  

(If your partner suffers from stage fright, he might be able to produce his sample at home and bring it in.)

You’ll then both be told how many eggs were retrieved and how good the sperm sample looks. Then it’s time to go home and REST!

A few hours after egg retrieval (and depending on the quality of the sperm sample), your eggs will be mixed with the sperm.

Step 5 of IVF: fertilisation and embryo development (finally!)

The day after the eggs and sperm have been mixed, they’ll be checked to see how many have fertilised (approximately 70% of eggs will normally fertilise). At this stage they’re called embryos, and they’ll be monitored constantly to see how they develop.

The embryos will spend up to six days inside their own personal incubators, and you’ll be phoned each day with an update on both their progress and when the most suitable day for transfer might be (if you’re doing a fresh embryo transfer rather than a frozen one). Some embryos will be better quality than others, and it’ll be one of the good ‘uns that they transfer back into you.

What happens now?

That depends on whether you’re having a fresh embryo transfer or a frozen one.

If you want to know about my own experience of the embryo transfer itself, read point #7 here

And that, friend, is the main part of the IVF process explained!

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