CHICAGO (AP) -- 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....
By LINDSEY TANNER, Associated Press: Health
Tue, 08/09/2011 - 6:26pm
CHICAGO (AP) -- 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....