At 24 weeks, the fetus has fully developed eyes, has a hand and startle reflex, is forming footprints and fingerprints, and is forming alveoli in the lungs.
Review Date 8/26/2017
Updated by: Peter J Chen, MD, FACOG, Associate Professor of OBGYN at Cooper Medical School at Rowan University, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.