All weeks

Second Trimester

Week 15 of pregnancy

Your baby is the size of an apple.

Length: 10.1 cm / 4.0 in · Weight: 70 g / 2.5 oz

Baby at 15 weeks

  • Baby can hear muffled sounds.
  • Skeleton hardening.
  • Eyebrows + hair starting to form.

What you may feel

  • Continuing T2 energy.
  • Bump more visible.
  • Possible nasal congestion.
  • Skin pigmentation changes (melasma, linea nigra).

This week’s checklist

  • Talk + sing to baby — baby's hearing developing.
  • Drink plenty of water.
  • Apply sunscreen (skin more sensitive).

Key milestone

Baby starts to hear external sounds.

Doctor / midwife visits

Midwife appointment at 16 weeks coming.

Top foods this week

Educational only — not medical advice. Always consult your midwife or GP. Sources: NICE NG201 antenatal care, NICE NG207 inducing labour, NHS, RCOG. Read the full medical disclaimer.