Diaphragms, cervical caps and vaults prevent conception by

Options

A. Increasing phagocytosis of sperms within uterus
B. Suppressing sperm motility
C. Inhibiting ovulation and implantation
D. Blocking the entry of sperms through the cervix

Answer

D

Explanation

Diaphragms, cervical caps and vaults prevent conception by blocking the entry of sperms through the cervix.