Effectiveness of levonorgestrel given after or before ovulation.
Ventura-Juncá
Patricio
P
Besio
Mauricio
M
Santos
Manuel
M
D000284:Administration, Oral; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage*; D003281:Contraceptives, Postcoital / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage*; D010060:Ovulation / Q000187:drug effects*; D010865:Pilot Projects; D011247:Pregnancy; D018873:Pregnancy Rate; D016896:Treatment Outcome
D003280:Contraceptives, Oral, Synthetic; D003281:Contraceptives, Postcoital; D016912:Levonorgestrel