Pregnancy tracker

Baby's development - 15th week

Your baby’s skin is very thin, translucent and reveals underlying blood vessels. Lanugo, the fine downy hair that now covers his upper body and especially his head, will remain some time after birth. Your baby can now stretch his arms and legs. His muscles have developed. He swallows amniotic fluid and meconium (stools).

This week


Baby measures about 12 cm (head to heel)

Baby weighs about 55 g