# Day 145: Your baby's normal

> Twenty weeks and five days. There's no magic number of kicks; what matters is a change. Today you start learning when your baby is usually busiest.

- Series: Your fifth month of pregnancy, day by day (https://chorevia.com/learn/pregnancy-month-5), day 145 of 280, 20 weeks + 5 days
- Your baby this week: about the size of a banana; around 25.6 cm from head to heel
- Canonical URL: https://chorevia.com/learn/pregnancy-month-5/day-145
- Last reviewed: 2026-10-22
- Publisher: Chorevia (https://chorevia.com)
- Cite as: Chorevia. "Day 145: Your baby's normal." Last reviewed October 22, 2026. https://chorevia.com/learn/pregnancy-month-5/day-145

This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.

Twenty weeks and five days. Every baby has their own rhythm, and you're the only person in a position to learn it. Today you start, with a one-minute note each evening.

## Your baby

Around 25.6cm long from head to heel, about the size of a banana ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-20/)). Over the next week or so, the NHS says your baby will be moving around a lot and establishing waking and sleeping patterns ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-21/)).

## Your body

A woman may begin to feel her baby move at 20 weeks ([NICHD](https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo)), and many first notice it between 18 and 24 weeks ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)). Babies often move more after you eat, during loud music, and while you relax ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)).

Here is the fact about movement worth keeping. The CDC says there is no specific number of movements that counts as normal; a change in movement is what matters ([CDC](https://www.cdc.gov/hearher/maternal-warning-signs/index.html)). Which means the comparison is never your baby against someone else's. It's your baby this week against your baby last week. To notice a change, you first need to know the usual.

## Try today

### The movement baseline

- **Time:** 1 minute each evening, for a week

1. Each evening, write down when you felt the baby most today: morning, afternoon, evening, or night ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-21/)).
2. Add what you were doing: just eaten, lying down, music on ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)).
3. At the end of the week, circle the busiest time of day. That's your first baseline.
4. Feeling little or nothing yet? Write "nothing yet" and keep going; the log starts working whenever the movements do.

**Make it work:** Keep it in the same place every night, a paper diary by the bed or one note on your phone. A week of one-word entries is plenty.

## Watch for

- **Normal:** quiet days and busy days, especially this early, while movements are still new ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)). **Seek care immediately** later on if your baby's movement stops or slows once you know their pattern ([CDC](https://www.cdc.gov/hearher/maternal-warning-signs/index.html)); the NHS says to talk to your midwife if the kicking slows ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-23/)).
- **Normal:** round ligament pains as your bump grows ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-20/)). **Call your provider** or go to the hospital for pressure in your pelvis or hip area, or cramps like a period; both can be signs of preterm labor ([NICHD](https://www.nichd.nih.gov/health/topics/preterm/conditioninfo/symptoms)).
- **Normal:** reading a list like this and recognising nothing on it. **Call your provider** if you feel like something just isn't right, even if it isn't on any list; the CDC asks you to make the call anyway ([CDC](https://www.cdc.gov/hearher/maternal-warning-signs/index.html)).

## For you

You're not counting yet. Formal counting starts at 28 weeks, when the Office on Women's Health says most women count 10 movements in about 20 minutes ([OWH](https://womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests)). This week is just getting to know the person in there, the way you'd learn a new housemate's hours.

You will also learn to trust yourself here. Nobody else can feel what you feel. If your gut says "this is different," that's information, and your provider would rather hear it than not.

If you're the partner: ask her each evening, "When was the baby busiest today?" Then write the answer for her. It makes the log a habit for two.

## Sources

- NHS. "Week 20." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-20/
- NHS. "Week 21." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-21/
- National Institute of Child Health and Human Development. "About Pregnancy." National Institutes of Health. https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo
- NHS. "Week 17." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/
- Centers for Disease Control and Prevention. "Urgent Maternal Warning Signs and Symptoms." HEAR HER campaign, 2024. https://www.cdc.gov/hearher/maternal-warning-signs/index.html
- NHS. "Week 23." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-23/
- National Institute of Child Health and Human Development. "What are the symptoms of preterm labor?" National Institutes of Health, 2023. https://www.nichd.nih.gov/health/topics/preterm/conditioninfo/symptoms
- Office on Women's Health. "Prenatal care and tests." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests