Culture conditions and not prolonged culture time are responsible for monozygotic twinning in human in vitro fertilization.
Cassuto
Guy
G
Chavrier
Martine
M
Menezo
Yves
Y
D002478:Cells, Cultured; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012189:Retrospective Studies; D020554:Sperm Injections, Intracytoplasmic; D013997:Time Factors; D014430:Twins, Monozygotic