Study of cervical factor in cases of infertility.
D002582:Cervix Mucus / Q000166:cytology; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis*; D007248:Infertility, Male / Q000175:diagnosis*; D008297:Male; D011247:Pregnancy; D012661:Semen; D013083:Sperm Transport