title: In vivo sperm penetration and in vitro sperm migration tests.
mesh_terms: D000328:Adult; D002465:Cell Movement; D002582:Cervix Mucus; D003075:Coitus; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis*; D008297:Male; D008722:Methods; D012661:Semen / Q000166:cytology; D013094:Spermatozoa / Q000166:cytology / Q000502:physiology*; D013525:Surgical Instruments; D013997:Time Factors; D014599:Uterus