19 Weeks Pregnant
Reviewed by Safi Allah Khan
Medically reviewed by: Safi Allah Khan · Written by the Momi team · Last updated 20 October 2026
Quick answer: At 19 weeks pregnant, your baby is about the size of a mango, about 15.3 cm (6 in) long. You're in the second trimester, in month 5, with 21 weeks to go until your due date. This week's milestone: vernix and lanugo forming. Symptoms vary from person to person.
| Week 19 at a glance | |
|---|---|
| Trimester | Second |
| Month | 5 |
| Weeks to due date | 21 |
| Baby's size | About the size of a mango |
| Length | About 15.3 cm (6 in) |
| Weight | About 240 g (8.5 oz) |
| This week | Vernix and lanugo forming |
Sizes are typical averages. Before about 20 weeks, length is measured crown to rump; after that, head to heel.
Your baby at 19 weeks
Your baby is about the size of a mango and weighs about 240 g (8.5 oz). A waxy coating called vernix and fine hair called lanugo are forming. Ears, nose and lips may be recognisable on a scan.
Your body at 19 weeks pregnant
Skin changes are common, such as a dark line down your belly (linea nigra) or darker patches on your face.
Things to do this week
- Use sun protection, as pregnancy skin marks can darken in the sun.
- Prepare questions for your anatomy scan.
- Stay hydrated and keep active.
When to call your doctor or midwife
Contact your care team straight away if:
- you have bleeding or fluid leaking from your vagina
- you have severe belly pain that doesn't go away
- you have a fever of 100.4°F (38°C) or higher
- you have a headache that won't go away or gets worse
- you have regular, painful tightenings
If something feels wrong, trust that feeling and call. In an emergency, call your local emergency number.
Track week 19 in Momi
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Keep reading
← 18 weeks pregnant · All weeks · 20 weeks pregnant →
Sources
- ACOG: Changes During Pregnancy (infographic)
- NHS: Your baby's movements
- NHS: Antenatal care and appointments
- CDC: Urgent Maternal Warning Signs
Medical disclaimer: Momi and this website provide general information, not medical advice. Always talk to your doctor or midwife; in an emergency call your local emergency number.
FAQ
How big is a baby at 19 weeks pregnant?
On average, a baby at 19 weeks is about the size of a mango: about 15.3 cm (6 in), about 240 g (8.5 oz). These are typical averages, and healthy babies vary.
How many months is 19 weeks pregnant?
19 weeks pregnant is in the fifth month of pregnancy and the second trimester. Months don't divide evenly into 40 weeks, so different sources may label the month slightly differently.
What should I do at 19 weeks pregnant?
Use sun protection, as pregnancy skin marks can darken in the sun. Prepare questions for your anatomy scan.
Related guides
Track this in Momi
Momi is a free pregnancy tracker app for iPhone and Android that follows pregnancy week by week, estimates the due date, and keeps a pregnancy journal, weight log, kick counter and contraction timer in one place.
