Answer: Levonorgestrel; reduces menstrual blood loss significantly.
- A Estrogen; prevents ovulation systemically throughout the entire menstrual cycle
- B Levonorgestrel; reduces menstrual blood loss significantly
- C Progesterone; helps prevent ectopic pregnancy from occurring each cycle
- D Testosterone; reduces endometriosis pain symptoms over an extended period
Correct answer: B. Levonorgestrel; reduces menstrual blood loss significantly
Explanation: LNG-20 releases levonorgestrel locally. Besides contraception, a major benefit is significant reduction in menstrual blood loss (up to 90%), making it therapeutic for menorrhagia and endometriosis.
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.