Question ID
1978
Answer

<p>The pill&rsquo;s effectiveness depends on how consistently someone takes it. When used perfectly, the pill is more than 99% effective. But most of us aren&rsquo;t perfect, so the pill&rsquo;s effectiveness tends to be closer to 91%.</p> <p>In other words: </p> <p>Of those women who use the pill exactly as directed, fewer than 1 in 100 will experience an accidental pregnancy during the first year of using this method. </p> <p>Of those women who do not use the pill exactly as directed, about 9 in 100 will experience an accidental pregnancy during the first year of using this method. </p>

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https://www.bedsider.org/questions/1978
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