You're getting close to the end of the first trimester. Most of your baby's critical development will be behind you after the next couple of weeks, and the odds of miscarriage will soon drop considerably.
Measuring from the crown of his head to his rump, your 4.1cm baby has all his parts, from tooth buds to toenails. Your baby is busy kicking and stretching; his movements are so fluid they look like water ballet. Fingers and toes have fully separated. Now your baby’s main task during the next six months will be to grow larger and stronger until he can survive on his own outside your uterus (womb).
A dark vertical line of pigmentation, called the linea nigra, may appear on your belly. Your uterus has risen above your pelvic bones.
Finding sleeping difficult? Find out why you may be getting disturbed nights.
Note: Every baby develops differently. This page is designed to give a general idea of how a fetus grows in the uterus.