Your Week by Week Pregnancy Guide

At week 16, your baby is 12 cm (about the size of a large orange) and weighs 100 g.

At week 16, your baby is 12 cm (about the size of a large orange) and weighs 100 g.

At week 17, your baby is 13 cm (about the size of an avocado) and weighs 140 g.

At week 17, your baby is 13 cm (about the size of an avocado) and weighs 140 g.

At week 18, your baby is 15 cm (about the size of a bell pepper) and weighs 200 g.

At week 18, your baby is 15 cm (about the size of a bell pepper) and weighs 200 g.

At week 19, your baby is 15 cm (about the size of a mango) and weighs 260 g.

At week 19, your baby is 15 cm (about the size of a mango) and weighs 260 g.

At week 20, your baby is 15 cm and weighs 300 g.

At week 20, your baby is 15 cm and weighs 300 g.

At week 21, your baby is 27 cm (about the size of a large carrot) and weighs 360 g. They now weigh more than the placenta.

At week 21, your baby is 27 cm (about the size of a large carrot) and weighs 360 g. They now weigh more than the placenta.