Your Baby: Weeks 30-40

Your baby is growing and changing every week after conception

Many of our expecting mothers want to know more about the development of their baby. In this post, we are focusing on your baby in weeks 30-40.

Your Baby Weeks 30-40 colorado springs obstetrics and gynecology

Weeks 30-34

Your Baby Weeks 30-34 Your Baby Weeks 30-40 colorado springs obstetrics and gynecology

The body continues to add fat and the skin is now pink.

The toenails are present and the fingernails reach the end of the fingers.

The male fetus’ testes will start to descend into the scrotum.

The baby will weigh 1400-1800 grams (2 ½ pounds) and will be 28-32 cm or approximately 1 foot long.

Weeks 34-37

Your Baby Weeks 34-37 colorado springs obstetrics and gynecology

The plump baby is getting ready for delivery.

The toenails have reached the ends of the toes, the Lanugo has been completely shed, vernix continues to protect the skin, the testicles have reached the scrotum, the ovaries have not yet reached the pelvis (and may not before birth).

The brain begins its myelination process

Weeks 37-40

Your Baby Weeks 37-40 colorado springs obstetrics and gynecology

The baby is finally full-term and will weigh on average 3,200-3,600 grams or 6-7 pounds.

Weeks 40+

Your Baby Week 40+ colorado springs obstetrics and gynecology

Post-term delivery of the infant is common and your Obstetrician will discuss the risks of continuing the pregnancy beyond 41-42 weeks due to concern for placental problems and large babies which may complicate labor and child birth.

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