title: Cervical mucus: an agent or a barrier to conception?
mesh_terms: D000818:Animals; D002417:Cattle; D002582:Cervix Mucus / Q000032:analysis / Q000187:drug effects / Q000276:immunology / Q000502:physiology*; D002715:Chlormadinone Acetate / Q000494:pharmacology; D003267:Contraception; D003276:Contraceptives, Oral; D004967:Estrogens / Q000502:physiology; D004971:Estrus; D005260:Female; D005306:Fertilization; D006023:Glycoproteins / Q000032:analysis; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007248:Infertility, Male / Q000209:etiology; D008297:Male; D008892:Milk / Q000201:enzymology; D010060:Ovulation; D010544:Peroxidases / Q000032:analysis; D011247:Pregnancy; D011374:Progesterone / Q000502:physiology; D011372:Progestins / Q000494:pharmacology; D011506:Proteins / Q000032:analysis; D012756:Sheep
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D006023:Glycoproteins; D007070:Immunoglobulin A; D007075:Immunoglobulin M; D011372:Progestins; D011506:Proteins; D002715:Chlormadinone Acetate; D011374:Progesterone; D010544:Peroxidases