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Question

The contraceptive 'Saheli'

A
is an IUD
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B
increases the concentration of estrogen and prevents ovulation in females
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C
blocks estrogen receptors in the uterus, preventing the egg from getting implanted
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D
is a post-coital contraceptive
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Solution

The correct option is D is a post-coital contraceptive
Emergency postcoital contraception, a method used to prevent pregnancy after unprotected sexual intercourse.
Saheli comprises a novel non-steroidal, biochemical namely, 'centrochroman'. This has shown potential as a postcoital contraceptive also.
Its antiestrogenic activity on the endometrium inhibits the fertilized ovum from implantation.
It hastens the transfer of ovum from the fallopian tubes to the endometrial cavity, before it is ready for implantation.

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