First Trimester
Pregnancy Week 13
Your baby is about the size of a peach 🍑 — fingerprints forming.
🍑
Size comparison
≈ Peach
Length
7.4 cm
Weight
23 g
Milestone
Fingerprints forming
About 27 weeks to go until your due date (week 40).
Baby's development at week 13
Unique fingerprints are forming on those tiny fingertips. The vocal cords are developing. Your baby can now squint, frown, and make sucking motions.
Start moisturising your abdomen to support the stretching skin.
Common symptoms at week 13
Energy returningRound ligament painSkin darkening (linea nigra may appear)
Eat more of
- ✓Folic acid (leafy greens, fortified cereals)
- ✓Iron-rich foods (lentils, spinach)
- ✓Calcium (dairy, fortified plant milk)
- ✓Vitamin B6 (bananas, avocados)
- ✓Whole grains
Foods to avoid
- ✕Alcohol
- ✕Raw/undercooked meat or fish
- ✕High-mercury fish (shark, swordfish)
- ✕Unpasteurised dairy
- ✕Excess caffeine (>200 mg/day)
- ✕Raw sprouts
Medically reviewed by First OPD Medical Team. Last reviewed on .
Based on average milestones from World Health Organization (WHO), ACOG, NHS UK. Educational only — not a substitute for personalised medical advice.
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