At 30 to 32 weeks, a fetus has increased central nervous system control over body functions and rhythmic breathing movements. It is still developing lungs and is partially in control of body temperature.
Reviewed By:
LaQuita Martinez, MD, Department of Obstetrics and Gynecology, Emory Johns Creek Hospital, Alpharetta, GA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.