Embryo cryopreservation: evidence for practice.
D001755:Blastocyst; D015925:Cryopreservation / Q000379:methods* / Q000592:standards; D004622:Embryo, Mammalian; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D027724:Reproductive Techniques, Assisted / Q000592:standards*