- A Coitus interruptus
- B Lactational amenorrhea
- C Periodic abstinence
- D Spermicide use
Correct answer: C. Periodic abstinence
Explanation: Periodic abstinence (also called the calendar or rhythm method) involves avoiding intercourse around ovulation time to prevent pregnancy.
Concept context
Understand reproductive health, family planning, contraception methods, STIs, population control, and assisted reproductive technologies.