Week 17

My Baby's Development

Your baby is still very tiny by this week. Its about 5.1 inches (13cm) from crown to rump and weighs about 4.9 ounces (140g).

The placenta, which nourishes your baby with nutrients and oxygen and removes wastes, is growing to accommodate your baby. It now contains thousands of blood vessels that bring nutrients and oxygen from your body to your baby's developing body.

My Body

Hormones are preparing your breasts for milk production (more blood is flowing to the breasts) and the glands that produce milk are growing in preparation for breastfeeding. This may cause your breast size increase (many women increase one to two cup sizes) and cause veins to become visible. You are advised to buy supportive bras in a variety of sizes to accommodate your breast growth during pregnancy.