Which of the following is NOT a natural/traditional contraceptive method?
- APeriodic abstinence
- BLactational amenorrhea
- CVaults
- DCoitus interruptus
Solution & Step-by-step Explanation
Vaults are a type of barrier method (similar to diaphragms and cervical caps). Natural methods include Periodic abstinence, Lactational amenorrhea, and Coitus interruptus (withdrawal).