10 November 2025 · Jennifer Wijaya
Finance Director · Mother of one, expecting
How Soon Can You Feel a Baby Move in a Second Pregnancy?
First-time mothers usually notice movement between 18 and 22 weeks. Second time it's commonly 2 to 4 weeks earlier, often 16 to 18, occasionally as early as 14.
The baby isn't moving sooner. You're recognising it sooner. I'm 22 weeks with my second as I write this and I felt her at 16, which caught me completely by surprise.
Why it comes earlier the second time
| Reason | What is happening |
|---|---|
| You know what you are feeling for | First time, early movement gets filed under digestion. Second time it is unmistakable. |
| Abdominal muscles have stretched before | There's less muscle between the uterus and your hand. |
| The uterus is positioned differently | It often rises out of the pelvis a little earlier after a previous pregnancy. |
| You're paying attention | You learned in the first pregnancy that this matters. |
None of those is about the baby. Remember that if you're comparing pregnancies.
What early movement feels like
Rarely a kick. The vocabulary people reach for is consistent: bubbles, popcorn, a butterfly, a muscle twitching, a fish turning over.
It's easiest to notice when you're sitting still or lying down, and easiest to miss when you're busy, which second time round is most of the time.
Why there's no magic number, and what the evidence says
Search this and you'll be told to count 10 movements in 2 hours. That rule is everywhere, but it isn't what current guidance says. What to watch for is a change from your own baby's usual pattern, because no single number is normal for everybody. Babies differ hugely in how much they move: one that moves 40 times an hour and one that moves 8 times can both be perfectly well. I'd guess mine does about 20, though I haven't counted properly. Your baby's pattern is the baseline, and a change from it is the signal. The uncomfortable part: a large randomised trial published in 2018 tested a care package built around awareness of fetal movements, including formal counting, across dozens of hospitals and around 400,000 births, and it didn't reduce stillbirth. That surprised a lot of people and has shaped guidance since.
It doesn't mean movements don't matter. Reduced movement remains an established warning sign and every maternity service takes it seriously. The trial suggests that formal counting isn't what helps. Noticing a change, and calling promptly when there is one, is.
| If | Then |
|---|---|
| Movements feel reduced or different from her pattern | Call your maternity unit now, at any hour |
| It's the middle of the night | Still call. They expect this and would rather you did |
| It has happened before and was fine | Call again. Previous reassurance doesn't carry forward |
| Somebody suggests cold water, sugar or lying down first | Skip it. None of that is a substitute and it costs time |
| You feel you're making a fuss | Call anyway. Maternity units say this explicitly and mean it |
Back to second pregnancies: you'll usually notice movement earlier, but only because you know what you're feeling for.
What doesn't change is what you do. Feeling movement earlier doesn't give you a reliable pattern any earlier. If movements are reduced at any stage, call within the hour. Don't wait and see.
Elsewhere in pregnancy
What changes when it gets noticed
| Factor | Effect on when you notice |
|---|---|
| An anterior placenta | Sits between baby and abdominal wall and cushions movement. Noticing can be several weeks later even in a second pregnancy. |
| Body shape | Affects how much sensation reaches the surface. |
| How busy you are | Chasing a toddler is the commonest reason a second-time mother notices later. |
| The individual baby | Varies as much as anything else in pregnancy. |
The part that counts more
When movements start is interesting. What they do from around 24 to 28 weeks onward is what matters clinically, and a dangerous myth has grown up around it.
Babies don't move less towards the end of pregnancy. They have less room, so the movements feel different: more rolling and stretching, fewer sharp kicks. They shouldn't become less frequent. Anybody who tells you it's normal for a baby to slow down near the due date is repeating something current guidance specifically contradicts.
What to do about reduced movements
This section is the one to remember. Read it now, while nothing is wrong.
| Do | Do not |
|---|---|
| Learn your own baby's pattern | Count to a target number. There's no universal figure |
| Contact your maternity unit straight away | Wait until tomorrow, or until after a lie-down |
| Go in, every time, including repeatedly | Try to provoke movement with cold drinks or sugar first |
| Trust the instinct that something has changed | Use a home doppler to reassure yourself |
On the doppler: finding a heartbeat doesn't mean the baby is well, and false reassurance from a home device has caused real harm. You're never wasting anyone's time. Maternity units are explicit that they'd far rather see you.
Second pregnancies, generally
A few other things arrive earlier as well: showing, Braxton Hicks, and the pelvic heaviness of later pregnancy. Fatigue is worse, largely because there's a small person to look after and much less chance to rest. Labour is often, though not reliably, shorter.
What doesn't carry over is certainty. Every pregnancy is different. A second that feels unlike the first isn't a sign anything is wrong, but that's no reason to ignore a feeling that something has changed.
The numbers people ask for
Should I count kicks in pregnancy?
Current guidance doesn't recommend a fixed number such as ten movements in 2 hours. A large 2018 randomised trial of a care package built around formal counting didn't reduce stillbirth. What counts is knowing your own baby's pattern and contacting your maternity unit promptly if it changes.
When should I call about reduced movements?
Immediately, at any hour, every time, including if it has happened before and everything was fine. Don't try cold drinks or lying down first; that costs time and isn't a substitute for being checked.
When do you feel movement in a second pregnancy?
Commonly 16 to 18 weeks, sometimes as early as 14, usually 2 to 4 weeks earlier than a first pregnancy. The baby isn't moving sooner. You recognise the sensation because you've felt it before, and stretched abdominal muscles transmit it more readily.
Does an anterior placenta delay feeling movement?
Yes. A placenta at the front of the uterus cushions the sensation, and can delay noticing by several weeks even in a second pregnancy. It's a normal position and not a problem in itself.
Do babies move less at the end of pregnancy?
No, and this myth is dangerous. Movements feel different as space runs out, with more rolling and fewer sharp kicks, but they shouldn't become less frequent. Reduced movement at any stage needs same-day contact with your maternity unit.
What should I do if movements have reduced?
Contact your maternity unit immediately. Don't wait, and don't try to provoke movement with cold drinks or sugar first. Don't use a home doppler: finding a heartbeat isn't evidence the baby is well. Units would far rather assess you unnecessarily.
References
- Norman et al. (2018), The Lancet 392:1629-1638, Awareness of fetal movements and care package to reduce fetal mortality (AFFIRM): a stepped wedge, cluster-randomised trial
- RCOG Green-top Guideline No. 57: Reduced Fetal Movements
- NHS. Your baby's movements in pregnancy
- Tommy's. Baby movements during pregnancy
This guide is general information, written to help you understand a topic and ask better questions. It is not medical advice and does not replace your own doctor, midwife or paediatrician. Anything that worries you about your baby belongs with them.