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by kale
4006 days ago
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Check out this series of charts. Each method of contraception in its own chart, and "perfect use" and "typical use" are both plotted. Out of 100 couples using a condom as birth control, 55 will have an unplanned pregnancy in 4 years with typical usage (8 out of 100 with perfect usage). http://www.nytimes.com/interactive/2014/09/14/sunday-review/... |
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