Q. Which of the following is not a natural/traditional contraceptive method?
A) Lactational amenorrhea
B) Vaults
C) Coitus interruptus
D) Periodic abstinence
Explanation
[Solution by Claude - not from source] Vaults are barrier contraceptives. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.