Some factors modifying sperm progression.
D002584:Cervix Uteri / Q000502:physiology*; D003270:Contraceptive Agents; D005260:Female; D006801:Humans; D008297:Male; D013094:Spermatozoa / Q000187:drug effects*
D003270:Contraceptive Agents
CERVIX, UTERINE/physiology; CONTRACEPTIVES/effects; SPERMATOZOA/effect of drugs on