Hormonal Contraceptives & Emergency Methods — NEET Biology
📚 Practice ConceptProgestogens alone or in combination with estrogen can also be used by females as injections or implants under the skin. Their mode of action is similar to that of pills and their effective periods are much longer. Administration of progestogens or progestogen-estrogen combinations or IUDs within 72 hours of coitus have been found to be very effective as emergency contraceptives as they could be used to avoid possible pregnancy due to rape or casual unprotected intercourse.
Which of the following statements about emergency contraceptives are correct? S1: Emergency contraceptives are generally effective when taken within 72 hours of unprotected coitus. S2: These contraceptives can involve progestogen-based pills or combinations of progestogen-estrogen. S3: Intra Uterine Devices (IUDs) can also be used as emergency contraceptives if inserted within 72 hours of coitus. S4: Emergency contraceptives are suitable for regular, long-term birth control and offer protection against STIs. S5: Their primary mode of action is to directly destroy ejaculated sperms and promote immediate menstrual bleeding.
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