Answer: Suppresses the cycle so ovulation does not occur.
- A Thickens the uterine wall permanently
- B Kills sperm in the uterus
- C Temporarily blocks the fallopian tubes completely
- D Suppresses the cycle so ovulation does not occur
Correct answer: D. Suppresses the cycle so ovulation does not occur
Explanation: During intense lactation the menstrual cycle and ovulation are suppressed, so conception is unlikely during the early months after childbirth.
Contraceptive methods span a spectrum from temporary/natural to permanent/surgical; condoms stand out as the only method offering STI protection alongside contraception.
Concept context
Understand reproductive health, family planning, contraception methods, STIs, population control, and assisted reproductive technologies.