title: Reply of the authors.
authors.affiliation: Reproductive Partners Medical Group, Redondo Beach, California.
authors.forename: David R
authors.initials: DR
authors.lastname: Meldrum
authors.forename: Richard T
authors.initials: RT
authors.lastname: Scott
authors.forename: William B
authors.initials: WB
authors.lastname: Schoolcraft
mesh_terms: D005260:Female; D005820:Genetic Testing / Q000639:trends*; D006801:Humans; D011247:Pregnancy; D019836:Preimplantation Diagnosis / Q000639:trends*; D011296:Prenatal Diagnosis / Q000379:methods*