Ability of cervical mucus to act as a barrier against bacteria.
D000293:Adolescent; D000328:Adult; D001419:Bacteria / Q000254:growth & development* / Q000378:metabolism; D002582:Cervix Mucus / Q000502:physiology*; D005260:Female; D006801:Humans; D008598:Menstruation; D008875:Middle Aged; D012488:Salpingitis / Q000175:diagnosis / Q000517:prevention & control