Prevention of sperm migration into the uterine cavity by a microdose progestagen.
D001706:Biopsy; D002582:Cervix Mucus; D002584:Cervix Uteri / Q000502:physiology; D004717:Endometrium / Q000033:anatomy & histology; D005260:Female; D005306:Fertilization; D006801:Humans; D007247:Infertility, Female / Q000175:diagnosis; D008297:Male; D008722:Methods; D013094:Spermatozoa / Q000032:analysis / Q000187:drug effects*; D013739:Testosterone / Q000494:pharmacology*; D013997:Time Factors; D014599:Uterus
D013739:Testosterone