Cervical factors.
D002582:Cervix Mucus / Q000166:cytology / Q000378:metabolism / Q000502:physiology; D004967:Estrogens / Q000378:metabolism; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000209:etiology* / Q000628:therapy; D007314:Insemination; D046911:Macromolecular Substances; D009077:Mucins; D011247:Pregnancy; D011372:Progestins / Q000378:metabolism; D002577:Uterine Cervical Diseases / Q000628:therapy
D004967:Estrogens; D046911:Macromolecular Substances; D009077:Mucins; D011372:Progestins