Pregnancy Information Center

Information, Symptoms, Treatments and Resources


Your Third Trimester - Week 28


Week 28

What's Happening To Your Body

As your uterus grows, it is not uncommon to experience round ligament pain. This is usually a sharp pain in the pelvic area and is a normal symptom of pregnancy.

Other normal symptoms of the third trimester may include heartburn, hemorrhoids, constipation, urinary incontinence, swelling and itchy skin. Your breasts may also begin leaking colostrum, your baby’s first milk.

Your doctor probably sent for some blood tests early in your pregnancy. One of these blood tests screens for Rh factor, a substance found on blood cells. If they found that your Rh factor doesn’t match your baby’s, your doctor may give you a shot of Rh immune globulin this week and again after delivery to prevent any potential problems. This is not common in first pregnancies. 

What's Happening To Your Baby

Your baby is the size of a head of iceberg lettuce. Your baby now measures about 14.8 inches (37.6 cm) long from head to heel. At this point your baby weighs roughly 2.2 pounds (997.9 g).

Your baby’s brain is now developing its folds and grooves (called gyri and sulci, respectively). Layers of fat continue to develop on its body. Your baby’s muscle tone is also improving. This means increased movement, which might wake you up at night. If your baby is a male, his testes will likely begin descending this week.

Your healthcare provider might tell you if your baby is head down (where the head is closest to your vagina, the proper birth position), feet first, or bottom first, also known as the breech position. If your baby is in the breech position when you're ready to deliver, you might need a Cesarean section, or C-section, to deliver. However, your baby still has time to move into its final birth position.


Read This Next: Week 29

In Case You Missed It: Week 27


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