Question: how much weight do babies gain each week in the third trimester?
Answer: In fact, according to the American Pregnancy Association, a fetus weighs around 2 pounds at 27 weeks, 4 to 4 ½ pounds by 32 weeks, and grows up to between 6 ¾ pounds to 10 pounds, if you have a full-term delivery. Your baby will also grow an average of six more inches during the third trimester.