- A Fertilisation alone, without affecting ovulation
- B Implantation alone, allowing ovulation to continue normally
- C Ovulation and implantation
- D Menstruation alone, without affecting ovulation or implantation
Correct answer: C. Ovulation and implantation
Explanation: Combined oral contraceptive pills containing estrogen and progesterone inhibit both ovulation and implantation, providing highly effective contraception.
Concept context
Understand reproductive health, family planning, contraception methods, STIs, population control, and assisted reproductive technologies.