title: Blastocyst transfer--a natural evolution.
authors.forename: D R
authors.initials: DR
authors.lastname: Meldrum
mesh_terms: D001755:Blastocyst; D004624:Embryo Transfer / Q000379:methods; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012307:Risk Factors; D017211:Treatment Failure