Source
First Trimester Bleeding by Mark Deutchman, MD, Amy Tanner Tubay, MD and David K. Turok, MD, MPH (American Family Physician June 01, 2009, http://www.aafp.org/afp/20090601/985.html)
Written by familydoctor.org editorial staff
Reviewed/Updated: 02/11
Created: 10/09