How Is Your Baby Developing in the tenth Week IVF Pregnancy?

10 weeks pregnant after IVF? See your baby's growth, what the 10-week ultrasound shows, when to stop progesterone, and why symptoms may fade.

Medical illustration of a 10-week fetus in the womb showing baby development in an IVF pregnancy

A few weeks ago, your baby was just a little flicker on the screen. You are now 10 weeks pregnant after IVF, and can see a little head, small body and tiny arms moving. That's what's happening inside you in 10 weeks pregnant baby development.

But this 10th week IVF pregnancy can be difficult too. Your doctor may discuss stopping progesterone. Your nausea may be clearing. And you might think, is my 10 week IVF pregnancy okay? Breathe in deeply. We'll walk through it step by step.

You'll learn how your baby's 10 week fetal development is progressing, what your scan shows, why progesterone can stop, why symptoms can end, and what tests come next. Your baby has been growing their body for 9 weeks. They begin using it this week.

What Changes at 10 Weeks in an IVF Pregnancy?

You had a Day 5 blastocyst transfer and are just over 7 weeks past your transfer date. In pregnancy terms, that makes you IVF 10 weeks pregnant, about 2.5 months along.

Wondering how to calculate pregnancy weeks IVF? Doctors say that for a Day 5 embryo, your transfer day counts as 2 weeks and 5 days pregnant (2 weeks and 3 days for a Day 3 embryo). Then you just count the days.

And here's the good news. At 10 weeks pregnant, almost through the first trimester and 2-3 weeks remaining. So what's going on at 10 weeks pregnant after IVF? Four silent changes are happening at the same time.

Your baby is past the embryo stage. The placenta begins to take over. Your hCG hormone doesn't rise as fast anymore. And your IVF medications may begin to fade away gently. Most of the stuff you will never see. But each shift affects how you feel this week.

The Four Shifts of Week 10

ShiftWhat's HappeningWhat It Means for You
BabyEmbryonic period comes to a closeOrgans are formed and start working
PlacentaTakes over hormone productionProgesterone support can be reduced
hCGPeaks and levels offSymptoms may ease
MedicationsTaper begins (clinic-led)Follow your doctor's plan exactly

Your baby is in the middle of the biggest of these changes. So let's begin there.

How Developed Is Your Baby at 10 Weeks After IVF?

This week, your baby crosses a modest but important line. Almost all main body parts are present at the end of the embryonic phase. Now it is just a question of growing bigger and stronger.

How Big Is a 10-Week Fetus - and Where Is It Sitting?

Your baby is around 3.1 centimetres from head to bottom and weighs about 4 grams. That's roughly the size of a strawberry." So if you have been wondering what is my 10 weeks pregnant baby size, think of something that would fit in the middle of your hand. Small, yes. But 10 week fetal growth is quick. And in the next three weeks, your baby will practically triple in size!

Where is the baby at 10 weeks? Your baby is still tucked down in your uterus, deep in your pelvis. Your uterus is developing, but it is not yet above your pubic bone. That's why most women aren't showing yet. If your jeans seem tight, it's generally bloat, not your baby bump. That comes a little bit later.

What Does a 10-Week Fetus Look Like Now?

If you take a good look at your baby, you'll be shocked. By 10 weeks of gestation, a fetus appears a lot more like a little human than it did even a week before. This is what has been created:

  1. Face: Top lip and two little holes. Eyelids are fully formed but closed, and will remain closed until about 27 weeks.
  2. Ears: The outer ears are still being finished on the sides of the skull.
  3. Arms and legs: Elbows and knees can bend now. Wrists and ankles are in place, too.
  4. Fingers and toes: They are completely separated now, no more webbing. Little nails are just beginning to form.
  5. Tooth buds: All of your baby's milk teeth are there, just tucked away under the gums.
  6. Genitals: They're beginning to form, though they can't be seen on a scan yet.

So, how developed is a baby at 10 weeks? The basic body plan is finished. Every organ and body part has its place. Here are the important 10-week fetus milestones, showing your 10-week pregnant fetal development is perfectly on pace. Now it's time for development, strength, and training. Looking human is one thing. This week, your baby also begins to act like a baby.

What Is Your Baby Doing Inside the Womb at 10 Weeks?

Your baby is not just floating there quietly. All the body parts are in place, and this is the week they start working. Can a 10-Week Fetus Move? Yes, and lots of it. 10-week fetal movement is small and jerky, but it's real. Your baby can kick their legs, stretch their body, bend their arms and even bring hands to their face.

So if you've ever wondered, "Can a 10 week old fetus move?" the answer is yes. Your baby is bouncing and twisting in a cushion of fluid, trying out every new joint.

But you won't notice any of it yet. Your baby is still too little, and there is lots of room to move around without hitting your uterine wall. Most women feel the first flutters between 16 and 20 weeks. The revolution is happening silently, for now, without your knowing.

Kidneys, Liver, Brain - Which Organs Start Working at 10 Weeks?

This is the most exciting period of 10-week baby growth in the uterus. Those organs that have developed over the last few weeks are now beginning to do their functions. Here's what's going on with baby at 10 weeks:

  • Kidneys: Your baby starts to produce small amounts of urine, which adds to the amniotic fluid around your baby.
  • Liver: It is currently manufacturing red blood cells, a job it will continue until the bone marrow takes over later in pregnancy.
  • Brain: At 10 weeks, the fetal brain develops quickly. New nerve cells and connections are created each day.
  • Heart: It has four chambers and beats hard and quickly, considerably faster than yours.

Every organ in the 10-week fetus is changing from "being built" to "being used." That's a significant jump for something the size of a strawberry. You can't feel any of this now, but there's one place you can view it.

What Does a 10-Week Ultrasound Show After IVF?

If you're having a scan this week, prepare for a special moment. Your 10 week pregnancy ultrasound will reveal much more than that tiny flicker you saw a few weeks earlier.

Most clinics will undertake an internal (trans vaginal) scan at this point. A thin covered probe is softly inserted into the vagina. This gives the clearest picture while your baby is still sitting low in your pelvis.

Some clinics do an abdominal scan instead, over the stomach. So, whether your 10 week ultrasound is internal or external depends on your clinic and how easily your baby can be seen. Here are some tips for how to prepare for a 10 week ultrasound:

  • Internal Scan: Empty your bladder before it begins.
  • Abdominal scan: Drink a few glasses of water an hour before, as a full bladder helps.

Don't know which one? Ask your clinic while booking. Neither scan is painful. An internal scan may be a bit unpleasant, like a standard gynaecology check, but it will only take a few minutes.

Seeing Your Baby Move and the Heart Rate to Expect

So what does a baby look like at 10 weeks ultrasound?  You will see a round head, a curved body, and tiny arms and legs. Sometimes your baby may even kick and wiggle on the screen. That's normal, and it's a joy to witness.

Your doctor will also measure your baby from head to toe. This is known as the crown-rump length and tells you whether your baby is growing at the correct rate. Then there is the heartbeat.

What should a baby's heart rate be at 10 weeks pregnant? Usually 160 to 180 beats per minute. This is about the peak of the heart rate, as discussed in week 9.

After that, it progressively settles. So if your 10-week fetal heart rate is somewhat lower than at your last scan, don't worry. That's part of getting old. Do you have twins? They will check both babies, both sacs and both heartbeats independently.

On Your 10-Week Scan

On ScreenVisible Now?
HeartbeatYes, clear and strong
Head and body shapeYes
Arms and legs movingOften
FingersSometimes
Twins (if any)Both sacs and heartbeats

The scan shows the baby. It can't display the handover happening around them, the one that sets your progesterone plan.

Is It Safe to Stop Progesterone at 10 Weeks After IVF?

This is the biggest worry of the week for many IVF moms. Your pregnancy has been supported with progesterone from your transfer. Hearing "you can stop soon" can be more fearful than thrilling. The good news is that your body now has a new partner.

How Does the Placenta Take Over Progesterone?

In early pregnancy, progesterone keeps the uterine lining thick and healthy for your kid. Your IVF medications are responsible for its initial production, and in some cycles, a little structure in your ovary called the corpus luteum.

But, as we discussed in week 8, the placenta has been gradually preparing to accomplish this work itself. This is when the placenta takes over progesterone production. Doctors term this the "luteal-placental shift".

Basically, around 10 weeks pregnant, the placenta assumes a task your medication was doing. That is why your doctor will commonly check IVF progesterone at 10 weeks. Your sort of cycle makes a difference here:

  • New cycle: Your body was already producing some progesterone (your ovaries developed a corpus luteum following egg collection).
  • Frozen cycle, programmed: No corpus luteum, thus your body relies on medication until the placenta is formed. That's why some women on frozen cycles go through to roughly 12 weeks. Longer is not bad. It's just a more organised, safer way of doing things.

Taper or Stop - When Do Clinics End Progesterone After IVF?

When do you stop progesterone after IVF? Most clinics stop it between 8 and 12 weeks. And they stop differently as well:

  1. Gradual taper- Reduce the dose progressively over one or two weeks.
  2. One stop date- You stop on a single planned date.

Both ways are safe if you and your doctor plan them. Your cycle type, blood levels and history will dictate how long to take progesterone after IVF.

There is no one “correct” week. “When women stop progesterone at 10 weeks after IVF, they may notice little things, like less bloating, less breast tenderness, or less sleepiness,” he explained. That’s normal.

But call your clinic if you notice bleeding. One rule is forever. At 10 weeks pregnant, your doctor should be the only one to tell you when to stop IVF medicine, not a friend or a forum. As the medication takes effect and the hCG levels drop, many women begin to notice something disturbing: their symptoms begin to disappear.

How Safe Is an IVF Pregnancy at 10 Weeks?

Each scan has taken you to this moment. At Week 10, your baby’s heartbeat is strong, growth is on schedule, and you’re past the toughest weeks. The figures finally start to work for you now.

What Are the Miscarriage Odds After Seeing a Heartbeat?

How many IVF pregnancies end in miscarriage? This is a question that many women think about. Overall, the rate is comparable to natural pregnancies. Most losses happen very early, before a pulse is seen, and the risk increases with age.

Once the baby's heartbeat is heard and growth looks normal, the risk drops significantly. By 10 weeks, it is usually about 2 to 3%. So is 10 weeks pregnant after IVF safe? Yes, for most women with a normal scan.

This is a considerably safer stage than the weeks you've just left behind. That’s why this 10 weeks pregnant milestone is so important. And your doctor will still be watching you. But you can sleep a little easier now.

Why Does Good News Feel So Hard to Trust?

Good numbers don’t always mean you’ll feel safe. That’s fairly common with IVF. You've waited through injections, transfers, and blood tests. Maybe you’ve had losses before. So with every wonderful piece of news, there's a little voice saying, "What if this doesn't last?" The feeling doesn’t signify something’s wrong.

It only shows how much hard work you’ve put in to get here. If you're wondering when to tell people, there is no rule. Some couples tell family after this scan.

Others wait until 12 weeks. Just do whatever feels appropriate for you both. You look ahead, and you feel safer. The next couple of weeks are your first big screening exams.

What Tests Come After 10 Weeks of an IVF Pregnancy?

Now that your pregnancy is more stable, your care can look ahead. You'll have your first screening tests in the next several weeks, and knowing what's coming makes them feel much less scary.

NIPT, NT Scan or Both - What Do You Need After IVF?

These tests look at your baby's chromosomes and early development. Here's what each does:

  1. NIPT: A blood test from your arm, possible from 10 weeks. It tests for common chromosomal abnormalities like Down syndrome. It's voluntary, so your doctor will explain whether it's right for you.
  2. NT scan: Between 11 and 14 weeks. They check your baby's early body development and measure a small area of fluid at the back of his or her neck.
  3. First trimester blood work: Usually done in conjunction with the NT scan.

In India, it's called the double marker test. Have you done PGT-A on your embryo? Your doctor may still offer you the NIPT or the NT scan. PGT-A is very reliable, but not foolproof, because it looks at only a few cells from the embryo. But only a scan can show how your baby is developing.

Your First OB-GYN Visit - What to Expect

Your first OB-GYN visit is a bit longer, as we discussed in week 9. Your doctor will take a history, take blood tests, check your blood pressure and arrange your next 10 week pregnancy scan or NT scan.

So what can you expect at 10 weeks pregnant after IVF? More planning, more tests and a new care team getting to know you. Don’t forget to pack: Your IVF Summary at your fertility clinic Your current meds, including your progesterone plan list Questions you’ve been keeping This visit outlines the plan for the remainder of your IVF pregnancy from 10 weeks onward.

TestWhenWhat It Checks
NIPT (optional)From 10 weeksChromosomal conditions
NT scan11–14 weeksNeck fold, early anatomy
First-trimester bloodsWith NTScreening markers

Tests that check on your baby. But there is one thing that fuels their growth every day. And it’s on your plate.

How Can You Support Your Baby's Growth at 10 Weeks?

Your baby is getting bigger. But your food gives you the building blocks. The good news is that you might be slowly getting your appetite back this week. If you are 10 weeks pregnant after IVF, there is no need to follow any special diet. It merely needs the correct nutrients, in a little bit at a time. Here's how your plate connects to what your baby is building right now:

  • Calcium for bones and teeth: Your baby's bones are getting stronger, and tooth buds are developing under the gums. Yoghurt, milk and paneer help.
  • Omega-3 for the brain: Your baby's brain is expanding fast. Supportive foods are chia seeds, walnuts and well-cooked salmon.
  • Iron, vitamin C for blood: Your blood supply is increasing to feed your baby. Eat spinach or lentils, with a dash of lemon. Vitamin C helps your body absorb iron.
  • Nervous system folate: it's still a thing. Even today. You get it from leafy greens and your prenatal vitamin.

A few simple habits assist, too. Keep taking your prenatal vitamins, go on light walks and steer clear of saunas, hot baths and alcohol. And our "still avoid" list from previous weeks is still the same. Raw fish, unpasteurised dairy, high-mercury fish and too much caffeine are still out.

What Your Baby Is Building and What Helps

Baby Is BuildingNutrientEasy Sources
Bones, tooth budsCalciumYoghurt, paneer, milk
BrainOmega-3Walnuts, chia, salmon
Blood supplyIron + vitamin CSpinach with lemon, lentils
Nervous systemFolateLeafy greens, prenatal vitamin

Conclusion

Week 10 is the week when things come together quietly. Your baby is moving, their organs are starting to work, and the placenta has stepped in to keep your pregnancy safe.

Wondering how far along you are in your IVF pregnancy? You're now one quarter of the way there. An IVF pregnancy is 40 weeks, exactly like any other. Keep it simple for now. Follow your doctor's directions for continuing your progesterone.

Make sure you get your NT scan if you haven't had it yet. To look back, our week 9 blog talks about the deep fatigue that got you here. And then when you're ready, our week 11 guide will tell you what to do next. One World Fertility has been with you right from the very first step. Every bit of it happened inside you, from a spark to a baby who kicks.

Questions people ask

What happens at 10 weeks pregnant after IVF?
At 10 weeks pregnant after IVF, your baby's embryonic period comes to a close, and their organs begin to work. The placenta also starts taking over progesterone production, so your doctor may begin reducing your IVF medicines.
How developed is a baby at 10 weeks?
At 10 weeks, your baby is about 3.1 cm long. He has a face, flexible elbows and knees, fingers and toes, and tooth buds. All the main organs are in place and now it’s just a question of growing.
Can a 10-week fetus move?
Yes . A fetus can kick, stretch and move its hands toward its face at 10 weeks. You won’t feel these movements until around 16 to 20 weeks, but they often show up on an ultrasound.
What should a baby's heart rate be at 10 weeks pregnant?
A normal fetal heart rate at 10 weeks is usually between 160 and 180 beats per minute. It peaks around this time and then slowly settles, so a slightly lower reading than last week is normal.
Is a 10-week ultrasound internal or abdominal?
Most clinics do an internal (transvaginal) scan at 10 weeks since the baby is still low in the pelvis. Some choose for an abdomen scan instead, which may require a full bladder.
When do you stop progesterone after IVF?
Most clinics stop using progesterone at 8-12 weeks when the placenta can make enough on its own. Some taper down the dose gently, others end on a specified date. Always follow your doctor's plan.
Is progesterone continued longer after a frozen embryo transfer?
Often, yeah. In a programmed frozen cycle, your body has no corpus luteum to produce natural progesterone hence your body is entirely dependent on medication. A lot of women wait till about 12 weeks.
Is it normal to lose symptoms at 10 weeks after IVF?
Yes, it’s common. Often nausea and exhaustion start to resolve as hCG levels down and progesterone is decreased. If symptoms go away with no bleeding or discomfort, it is probably a normal change.
Is spotting normal at 10 weeks after IVF?
Light spotting can happen after an internal scan or from a sensitive cervix. It can also come from a subchorionic hematoma, which is more common in IVF pregnancies. Always tell your clinic, and call right away if bleeding is heavy or comes with pain.
How safe is an IVF pregnancy at 10 weeks?
Once a heartbeat is seen and development is normal, the risk of miscarriage lowers dramatically. At 10 weeks it's normally 2 to 3 percent. That makes this a far more safe place than the weeks before it.

Reading only gets you so far.

Bring your reports and your questions. Dr. Kavita Manchanda will go through your history and tell you plainly what applies to you.

Get in touch

Reach out to us

For compassionate care and expert guidance on your journey to parenthood - our team is here for you, every step of the way.

Book an appointment