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The administration of progestogens or pr...

The administration of progestogens or progesterone-estrogen combinations within 72 hours of coitus has been found to be very effective as

A

emergency contraceptive

B

a major protocol in IVF techniques the

C

analgesics

D

Pregnancy inducing agent ?

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**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the effectiveness of administering progestogens or a combination of progesterone and estrogen within 72 hours after coitus (intercourse). 2. **Identifying the Options**: The options provided are: - Emergency contraceptive - A major protocol in IVF technologies - Analgesics - Pregnancy inducing agent 3. **Analyzing the Options**: - **Emergency Contraceptive**: Progestogens and combinations of progesterone and estrogen are known to prevent ovulation or fertilization when taken shortly after unprotected intercourse. This makes them effective as emergency contraceptives. - **A Major Protocol in IVF Technologies**: In vitro fertilization (IVF) involves different protocols and medications aimed at achieving pregnancy, but the use of progesterone and estrogen in this context is not aimed at preventing pregnancy. - **Analgesics**: These are medications used to relieve pain and have no relation to contraception or pregnancy prevention. - **Pregnancy Inducing Agent**: This option is misleading as progestogens and estrogen are used to maintain pregnancy but are not used to induce it in the context of emergency contraception. 4. **Conclusion**: The administration of progestogens or a combination of progesterone and estrogen within 72 hours of coitus is very effective as an **emergency contraceptive**. This method is particularly useful in preventing unwanted pregnancies that may occur due to unprotected intercourse or in cases of sexual assault. 5. **Final Answer**: Emergency contraceptive. ---
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