A: Maximum chances of failure in Rhythm metho | vedclass

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Question

(A) The Rhythm method (also known as the periodic abstinence or calendar method) relies on predicting the fertile period of a woman's menstrual cycle.

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

Vedclass · Answer

(A) The Rhythm method (also known as the periodic abstinence or calendar method) relies on predicting the fertile period of a woman's menstrual cycle.It is based on the assumption that ovulation occurs $14$ days before the next menstrual cycle.However,the failure rate of this method is very high (approximately $20-30\;\%$) because very few women have perfectly regular menstrual cycles.Variations in cycle length due to stress,illness,or hormonal changes make it difficult to accurately predict the fertile window,leading to a high risk of unintended pregnancy.Therefore,both the Assertion and the Reason are correct,and the Reason provides the correct explanation for the high failure rate.

$A$: Maximum chances of failure in Rhythm method of contraception.
$R$: Very few women have absolutely regular cycles.

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$A$: Maximum chances of failure in Rhythm method of contraception.$R$: Very few women have absolutely regular cycles.