What is the function of cervical caps, diaphragms and vaults in barrier methods of contraception?

What is the function of cervical caps, diaphragms and vaults in barrier methods of contraception?
  1. To block the entry of sperms
  2. To increase contraceptive efficiency
  3. To protect the user from contracting STIs and AIDS
  4. To cover the male penis

Solution

The cervical caps, diaphragms, and vaults are made of rubber and are inserted into the female reproductive tract to cover the cervix during coitus. They prevent conception by blocking the entry of sperms through the cervix.

Asked in: NCERT

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