Question

Which is not included in barrier methods of birth control?

• A. Diaphragm
• B. Lippes loop
• C. Cervical cap
• D. Vault

Answer 1

The correct option is B Lippes loop

Diaphragm, Cervical cap, Vaults are mechanical barriers which prevent fertilization by blocking the entry of sperms through the cervix. Lippes loop are non-medicated intrauterine device which increase phagocytosis of spermatozoa within the uterus.

So, the correct answer is 'Lippes loop'.