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  9. Q82

BPSC (Bihar PCS) 2025 · Question 82 of 145

Which compound is used in contraceptive pills?

Miscellaneous

  1. ALevonorgestrelCorrect
  2. BCholecalciferol
  3. CVanaflexine
  4. DCetirizine

Answer: A. Levonorgestrel

Explanation

Levonorgestrel is a synthetic progesterone hormone used in contraceptive pills (both daily oral contraceptives and emergency “morning-after” pills). It prevents pregnancy mainly by inhibiting ovulation, thickening cervical mucus (blocking sperm movement), and altering the uterine lining.

Source: 71st BPSC CCE Prelims 2025 (Set H)

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