Week 37 of Pregnancy
"Early term" — delivery from this point on is considered safe.
Fetal size
Swiss chard
- Length
- 48.6 cm
- Crown-to-heel
- Weight
- 2.86 kg
Fetal development
- Facial expressions, breathing practice and sucking reflex all work.
- Enough body fat to regulate temperature.
- Lung maturation is essentially complete.
Maternal changes
- Recognize early labor: bloody show, water breaking, regular contractions.
- Sleep becomes fragmented.
Recommended checkups
- Confirm with your OB when to call: 5-1-1 contractions, water breaking, decreased movement.
Jump to week
Textbook averages. Individual variation is wide and this is not medical advice — confirm with your OB.