# Day 137: Lie still and listen

> Nineteen weeks and four days. That bubbling low in your belly may be your baby. Today: fifteen minutes on your side after a meal, phone away, just noticing.

- Series: Your fifth month of pregnancy, day by day (https://chorevia.com/learn/pregnancy-month-5), day 137 of 280, 19 weeks + 4 days
- Your baby this week: about the size of a beef tomato; around 15.3 cm from head to bottom
- Canonical URL: https://chorevia.com/learn/pregnancy-month-5/day-137
- Last reviewed: 2026-10-22
- Publisher: Chorevia (https://chorevia.com)
- Cite as: Chorevia. "Day 137: Lie still and listen." Last reviewed October 22, 2026. https://chorevia.com/learn/pregnancy-month-5/day-137

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.

Nineteen weeks and four days. Today's task asks nothing of you except a quarter of an hour lying down. The point is to give a very small signal a quiet room to arrive in.

## Your baby

Around 15.3cm long from head to bottom, about the size of a beef tomato ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-19/)). Your baby has been moving for about two months already, wriggling arms and legs, even if you haven't noticed yet ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-18/)). What's changing is size: big enough, soon, for you to feel it from the inside.

## Your body

A bubbling feeling in your tummy may be the baby moving ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-19/)). The NHS describes early movements as bubbling, fluttering or rolling, often first noticed between 18 and 24 weeks, and says babies may move more after meals and while you relax ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)). NICHD puts it at around 20 weeks that a woman may begin to feel movement ([NICHD](https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo)). That's a wide window, and "may" is the honest word. Plenty of people aren't sure for weeks.

How you lie matters a little too. Side-lying with your knees bent is likely the most comfortable position, and it keeps the baby from pressing on the large vein that carries blood back from your legs to your heart ([MedlinePlus](https://medlineplus.gov/ency/patientinstructions/000559.htm)).

## Try today

### The quiet lie-down

- **Time:** 15 minutes, after a meal

1. After lunch or dinner, lie down on your side with your knees bent; many providers recommend the left ([MedlinePlus](https://medlineplus.gov/ency/patientinstructions/000559.htm)).
2. Put your phone in another room. No podcast, no scrolling.
3. Rest a hand low on your belly and notice anything that feels like bubbling, fluttering or rolling ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-17/)).
4. If nothing comes, that's an answer too. Try again another day, same time.

**Make it work:** Wind or a gurgle? Possibly. You don't have to be sure. The difference usually becomes obvious with repetition, not concentration.

## Watch for

- **Normal:** more vaginal discharge than before pregnancy. **Call your provider** if it has a foul odor, a greenish colour, itching, or pain; infections matter in pregnancy because they may cause preterm labor ([MedlinePlus](https://medlineplus.gov/ency/patientinstructions/000583.htm)).
- **Normal:** feeling warm, which is on the NHS list this week ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-19/)). **Call your provider** as soon as you can for fever or chills ([OWH](https://womenshealth.gov/pregnancy/youre-pregnant-now-what/pregnancy-complications)).
- **Normal:** finding it uncomfortable to lie on your back now; roll onto your side, since MedlinePlus says it's best not to sleep flat on your back ([MedlinePlus](https://medlineplus.gov/ency/patientinstructions/000559.htm)). **Seek care immediately** for dizziness that doesn't pass, or fainting ([CDC](https://www.cdc.gov/hearher/maternal-warning-signs/index.html)).

## For you

The first time you're sure, you may be alone, in a meeting, or halfway through a sentence. It's often less dramatic than people describe: a tap, a flick, then nothing for a day. That's still it. Within the next few weeks the NHS says you'll feel kicks and see your tummy move ([NHS](https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-23/)).

If you're the partner: when she says "there", don't ask her to prove it. Put your hand where she puts it, and wait. Some days you'll feel nothing for a while yet. Keep turning up for the quiet fifteen minutes anyway.

## Sources

- NHS. "Week 19." 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-19/
- NHS. "Week 18." 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-18/
- 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/
- National Institute of Child Health and Human Development. "About Pregnancy." National Institutes of Health. https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo
- MedlinePlus. "Problems sleeping during pregnancy." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000559.htm
- MedlinePlus. "Common symptoms during pregnancy." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000583.htm
- Office on Women's Health. "Pregnancy complications." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/pregnancy-complications
- 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/