Mayo Clinic Care Network Content
Articles

Fetal development: The 3rd trimester

Week 28: Baby's eyes partially open

Twenty-eight weeks into your pregnancy, or 26 weeks after conception, your baby's eyelids can partially open and eyelashes have formed. The central nervous system can direct rhythmic breathing movements and control body temperature.

By now your baby might be nearly 10 inches (250 millimeters) long from crown to rump and weigh nearly 2 1/4 pounds (1,000 grams).