Correlations between serum oestradiol level on day of HCG and speed of embryonic development in in-vitro fertilization.
The number of embryos transferred, ease of embryo transfer, and rate of embryo cleavage are significant factors affecting the success of IVF. High levels of oestradiol occurring when HCG is given may reduce implantation and pregnancy rates. A discrepancy between the stage of embryonic development and the phase of endometrial maturation at embryo transfer may be responsible for IVF failure in some cases.
Margalioth
E J
EJ
Department of Obstetrics and Gynaecology, Shaape Zedek Medical Centre, Jerusalem, Israel.
Taney
F H
FH
Cooper
G W
GW
Scholl
G M
GM
Rosenfeld
D L
DL
D006063:Chorionic Gonadotropin / Q000627:therapeutic use*; D004624:Embryo Transfer; D005314:Embryonic and Fetal Development; D004958:Estradiol / Q000097:blood*; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D011247:Pregnancy
D006063:Chorionic Gonadotropin; D004958:Estradiol