After the morning after and the morning after that.
D000293:Adolescent; D000328:Adult; D003283:Contraceptives, Postcoital, Synthetic / Q000009:adverse effects; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D013997:Time Factors
D003283:Contraceptives, Postcoital, Synthetic; D004997:Ethinyl Estradiol; D016912:Levonorgestrel