Select the correct match of a contraceptive and its mode of action.

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Lippes loop – Releases progestogens

Diaphragms – Block entry of sperms into the vagina

Saheli – Prevents insemination

Multiload 375 – Suppresses sperm motility

answer is B.

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Detailed Solution

Copper-releasing IUDs (e.g., Multiload 375, CuT and Cu7) are a type of long-acting reversible contraception that are inserted into the uterus to prevent pregnancy. They release small amounts of copper, which is toxic to sperm, into the uterus. This makes it difficult for the sperm to survive and reach an egg, which prevents fertilisation and pregnancy.
Lippes loop is a non-medicated IUD. Hormone-releasing IUDs (e.g., progestasert and LNG-20) release progestogens. Saheli works primarily by preventing implantation of fertilied ovum. Diaphragms block the entry of sperms into the uterine cervix.

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