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Fetus at 16 weeks

Fetus at 16 weeks

Overview

At week 16, the fetus reaches a length of about 6 inches, makes active movements, and makes sucking motions with the mouth.

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.