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Fetal development: The third trimester
Week 35: Baby's skin is pink and smooth
Week 37: Baby might turn head first
Week 28: Baby's eyes partially open
Week 30: Baby's hair grows
Week 31: Baby's rapid weight gain begins
Week 32: Baby practices breathing
Week 34: Baby's fingernails grow
Week 35: Baby's skin is smooth
Week 36: Baby takes up most of the amniotic sac
Week 37: Baby might turn head down
Week 38: Baby's toenails grow
Week 39: Baby's chest is prominent
Content
Week 28: Eyes partially open
Week 29: Baby kicks and stretches
Week 30: Hair grows
Week 31: Fast weight gain begins
Week 32: Lanugo starts to disappear
Week 33: Baby detects light
Week 34: Fingernails grow
Week 35: Baby takes up most of the amniotic sac
Week 36: Baby has turned head down
Week 37: Baby's head moves into the pelvis
Week 38: Toenails grow
Week 39: More body fat forms
Week 40: Your due date arrives
Week 37: Baby might turn head first
Week 28: Baby's eyes partially open
Week 30: Baby's hair grows
Week 31: Baby's rapid weight gain begins
Week 32: Baby practices breathing
Week 34: Baby's fingernails grow
Week 35: Baby's skin is smooth
Week 36: Baby takes up most of the amniotic sac
Week 37: Baby might turn head down
Week 38: Baby's toenails grow
Week 39: Baby's chest is prominent
Content
Week 28: Eyes partially open
Week 29: Baby kicks and stretches
Week 30: Hair grows
Week 31: Fast weight gain begins
Week 32: Lanugo starts to disappear
Week 33: Baby detects light
Week 34: Fingernails grow
Week 35: Baby takes up most of the amniotic sac
Week 36: Baby has turned head down
Week 37: Baby's head moves into the pelvis
Week 38: Toenails grow
Week 39: More body fat forms
Week 40: Your due date arrives
Content
The end of your pregnancy is near! By now, you're likely eager to meet your baby face to face. But there's still a lot happening to the baby, called a fetus, during the last weeks of pregnancy. Use this information to follow along with what's going on during the third trimester week by week.
As you track your pregnancy, remember that to find your estimated due date, your healthcare professional counts ahead 40 weeks from the start of your last period. That means you're actually not pregnant the first week or two of what's counted as your pregnancy's 40-week timeline.
