Third trimester
Pregnancy Week 37
Your baby is about the size of a swiss chard bunch.
Size
swiss chard bunch
Length
48 cm
Weight
2860 g
Baby in week 37
"Early term." Practicing breathing, sucking, blinking. Gaining ~1 oz/day.
What you may notice this week
Strong Braxton Hicks. Possible loss of mucus plug.
Tips for week 37
- Time contractions if regular
- Walk to encourage labor
- Charge phone and camera
Tools that pair with this week
Due Date Calculator
Estimate your delivery date by last period or conception date. Naegele’s rule plus cycle adjustments.
Week Tracker
See exactly how many weeks and days pregnant you are, plus your trimester and key milestones.
Contraction Timer
Tap once to start, once to stop. Tracks duration, frequency, and pattern over time.
Ovulation Calculator
Find your fertile window based on your cycle length. Plan or avoid with confidence.
Baby Name Generator
Filter by origin, style, length, and starting letter. Boys, girls, and unisex.
Growth Percentile
Plot your baby’s weight, length, and head circumference against WHO percentile curves.