CHICAGO -- Boy or girl? A simple blood test in mothers-to-be can answer that question with surprising accuracy at about seven weeks, a research analysis has found.
editor@mercurynews.com (By Lindsey Tanner , San Jose Mercury News
Tue, 08/09/2011 - 7:29pm
CHICAGO -- Boy or girl? A simple blood test in mothers-to-be can answer that question with surprising accuracy at about seven weeks, a research analysis has found.