Relationship of progesterone/estradiol ratio on day of hCG administration and pregnancy outcomes in high responders undergoing in vitro fertilization

Implantation: Clinical evidence for a detrimental effect on uterine receptivity of high serum oestradiol concentrations in high and normal responder patients

Cynthia Simon, Fidel Cano, Diana Valbuena et al. · Human Reproduction · 1995 · 347 citations

Increasing levels of estradiol are deleterious to embryonic implantation because they directly affect the embryo

Diana Valbuena, Julio Martín, J.L. De Pablo et al. · Fertility and Sterility · 2001 · 330 citations

Infertility, Hormonal Contraceptive, Developmental Biology +13

Increasing uterine receptivity by decreasing estradiol levels during the preimplantation period in high responders with the use of a follicle-stimulating hormone step-down regimen

Carlos Simón, Juan J Garcia Velasco, Diana Valbuena et al. · Fertility and Sterility · 1998 · 235 citations · Full text

Infertility, Hormonal Contraceptive, Fertility +14

Serum Progesterone Levels Predict Success of<i>in Vitro</i>Fertilization/Embryo Transfer in Patients Stimulated with Leuprolide Acetate and Human Menopausal Gonadotropins*

Kaylen M. Silverberg, William N. Burns, David L. Olive et al. · The Journal of Clinical Endocrinology & Metabolism · 1991 · 215 citations

High serum oestradiol concentrations in fresh IVF cycles do not impair implantation and pregnancy rates in subsequent frozen-thawed embryo transfer cycles

Ernest Hung Yu Ng · Human Reproduction · 2000 · 205 citations

Fertility, Reproductive Health, Gynecology +20