Blood test tells gender of fetus early as 5 weeks
Updated 12 hours ago
A [polymorphism] can only be used as a fetal marker if it is absent from the maternal genome,” Scheffer explained. “If it is then found in the maternal plasma, its origin has to be fetal” and inherited from the father. If polymorphisms matched ...http://www.msnbc.msn.com/id/34471795/ns/health-pregnancy/







