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24-week fetus

Fetus at 24 weeks

Overview

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 7/13/2021

Updated by: John D. Jacobson, MD, Department of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.