Emergency Contraception Mechanism: Emergency contraceptive pills (ECPs) typically contain: - High-dose progestogen (levonorgestrel) alone OR - Combined progestogen-estrogen (Yuzpe method)
These work by: 1. Delaying or inhibiting ovulation 2. Preventing fertilization 3. Possibly interfering with implantation
Thus, the correct answer is (D) Progestogen-Estrogen combination, representing the hormonal composition of emergency contraceptive pills.
Emergency contraceptive pills (morning-after pills) contain high doses of these hormones.
They work by:
The correct option is (D) Progestogen-Estrogen combination.
| Column I | Column II | ||
|---|---|---|---|
| 1. | Calotropis | p. | Invertebrates |
| 2. | Pisaster | q. | Distasteful |
| 3. | Monarch butterfly | r. | Cryptically colored |
| 4. | Frogs | s. | Cardioglycoside |
Match Column I and Column I
| Column I | Column II | ||
|---|---|---|---|
| 1 | Narrowly utilitarian argument | p | Conserving biodiversity for major ecosystem services |
| 2 | Broadly utilitarian argument | q | Every species has an intrinsic value and moral duty to pass our biological legacy in good order to future generation. |
| 3 | Ethical argument | r | Receiving benefits like food, medicine & industrial products. |