A fetus at 12 weeks can make a fist and suck its thumb.
Review Date: 11/01/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of
Physician Assistant Studies, University of Washington, School of
Medicine; Susan Storck, MD, FACOG, Chief, Eastside Department of
Obstetrics and Gynecology, Group Health Cooperative of Puget Sound,
Redmond, Washington; Clinical Teaching Faculty, Department of
Obstetrics and Gynecology, University of Washington School of
Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director,
A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
