Gynaecology & Obstetrics Which of the following contraceptives can prevent a pregnancy when used alone after an act of unprotected intercourse? A Copper IUCD B Progesterone or Combined oral contraceptives C Mifepristone D All of these can work if used within 3 days of Unprotected Intercourse 💡 Explanation Which of the following contraceptives can prevent a pregnancy when used alone after an act of unprotected intercourse? ✓ Correct Answer: D. All of these can work if used within 3 days of Unprotected Intercourse