Which of the following contraceptive methods | vedclass

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(A) $1$. Lactational amenorrhea is a natural method based on the fact that ovulation does not occur during the period of intense lactation following p

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Lactational amenorrhea,Pills,Emergency contraceptives

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(A) $1$. Lactational amenorrhea is a natural method based on the fact that ovulation does not occur during the period of intense lactation following parturition. This is regulated by high levels of prolactin,which inhibits $GnRH$ secretion,thus preventing ovulation. This is a hormonal-based physiological state.$2$. Pills (Oral contraceptives) contain either progestogens or a combination of progestogen and estrogen,which inhibit ovulation and implantation.$3$. Emergency contraceptives (e.g.,morning-after pills) contain high doses of progestogens or progestogen-estrogen combinations to prevent or delay ovulation.$4$. Barrier methods (e.g.,condoms,diaphragms) are physical devices that prevent the meeting of sperm and ovum; they do not involve hormones.$5$. $CuT$ (Copper-$T$) is an Intrauterine Device $(IUD)$ that releases copper ions to suppress sperm motility and fertilizing capacity; it does not involve hormones.Therefore,Lactational amenorrhea,Pills,and Emergency contraceptives all involve a role of hormones.

Which of the following contraceptive methods involves a role of hormones?

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