title: Post-coital administration of levonorgestrel and post-fertilization events in the new-world monkey Cebus apella.
authors.forename: Patricio
authors.initials: P
authors.lastname: Mena
mesh_terms: D000022:Abortion, Spontaneous; D000818:Animals; D002428:Cebus; D003283:Contraceptives, Postcoital, Synthetic / Q000494:pharmacology*; D010064:Embryo Implantation / Q000187:drug effects*; D004622:Embryo, Mammalian / Q000000981:diagnostic imaging; D005260:Female; D005298:Fertility / Q000187:drug effects*; D005865:Gestational Age; D006340:Heart Rate, Fetal; D006801:Humans; D016912:Levonorgestrel / Q000494:pharmacology*; D011247:Pregnancy; D012107:Research Design; D014463:Ultrasonography
chemical_list: D003283:Contraceptives, Postcoital, Synthetic; D016912:Levonorgestrel