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Pregnancy

Pregnancy by week

Learn about the stages of your pregnancy with our detailed week-by-week guide, detailing how your body is changing, plus the growth and development of your baby.

Your pregnancy: 39 weeks
Pregnancy by week

Your pregnancy: 39 weeks

At 39 weeks, your baby’s neck muscles have strengthened and he can hold his head away from the chest wall. That buoyancy is helped by the amniotic fluid.

Today's Parent

11 minutes
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