17 week ultrasound
During seventeen to twenty weeks of development, fetal movements known as quickening are commonly felt by the mother.

Review Date:
3/27/2009
Reviewd By:
A.D.A.M. Editorial Team: David Zieve, MD, MHA, Greg Juhn, MTPW, David R. Eltz. Previously reviewed by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine (10/29/2008).