Answer: Low sperm count, abnormal morphology, or poor motility.
- A Low sperm count mainly, with all other semen parameters normal
- B Abnormal sperm morphology mainly, unaffected by count or motility
- C Poor sperm motility mainly, occurring independently of count or shape
- D Low sperm count, abnormal morphology, or poor motility
Correct answer: D. Low sperm count, abnormal morphology, or poor motility
Explanation: Male infertility can result from low sperm count (oligospermia), absence of sperm (azoospermia), poor sperm motility, or abnormal sperm morphology - any or all of these factors.
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.