Medical MCQ-Which of the following contraceptives can prevent a pregnancy when used alone after an act of unprotected intercourse?

Which of the following contraceptives can prevent a pregnancy when used alone after an act of unprotected intercourse?

Copper IUCD

Progesterone or Combined oral contraceptives

Mifepristone

All of these can work if used within 3 days of Unprotected Intercourse

Question Category:

Gynaecology & Obstetrics

Correct Answer:

All of these can work if used within 3 days of Unprotected Intercourse

Description:

Emergency contraceptives IUCD: Can prevent implantation up till 5th day of unprotected inter-course Progesterone only pill: LNG 1.5 mg :can reduce tubal motility , make endometrium 'Out of Phase" for implantation of embryo Combined Pill: the Yuzpe regimen can prevent embryo implantation since the estrogen component makes the endometrium unreceptive. Mifepristone, Antiprogestin, RU 486, prevents implantation Ulipristal acetate: SPRM: Selective progesterone receptor modulator

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