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What is the effectiveness of oral pills in computing Couple Protection Rate [CPR] ?

  • A.50 percent
  • B.95 percent
  • C.100 percent
  • D.90 percent

Answer: B

The key gives 95 percent as the effectiveness of oral pills when the couple protection rate is computed (option B). In the couple protection rate, each method is converted into couple years of protection by an effectiveness factor, and oral pills are taken as highly effective but not perfect. Sterilisation is counted as fully effective, so 100 percent (option C) belongs to that method and not to the pill. The figures of 50 percent (A) and 90 percent (D) are not the factor the key accepts for oral pills.

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