Uncertainty in estimating the day of ovulation causes overestimation of the role of ovulation disturbance on the effectiveness of the Yuzpe method of emergency contraception.
Mikolajczyk
Rafael
R
Spinnato
J A
JA
Stanford
J B
JB
Mikolajczyk
Rafael
R
Spinnato
J A
JA
Stanford
J B
JB
D003075:Coitus; D003267:Contraception / Q000379:methods*; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D005306:Fertilization; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage; D010060:Ovulation; D011247:Pregnancy
D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol