Freezing of embryos: early vs late stages.
Trounson
A
A
Jones
G
G
D001755:Blastocyst; D002970:Cleavage Stage, Ovum; D015925:Cryopreservation / Q000379:methods*; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D006801:Humans; D009028:Morula; D013997:Time Factors