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… spermicide is used exactly as directed , it is about 84% effective for preventing pregnancy. This means that about 16 … 1 When it is not used exactly as directed , it is about 83% effective. This means that about 17 out of 100 people who … emergency contraception to help prevent pregnancy. The most effective emergency contraception is prescribed by a doctor. …
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… the effects will last. In the short term, PRK has proved effective in correcting mild to moderate hyperopia. Risks … the effects will last. In the short term, PRK has proved effective in correcting mild to moderate hyperopia. Risks …
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… which method they use. Not all diet plans are safe or effective. Some diets can even be bad for your health. It's … of following a diet plan? Not all diet plans are safe or effective. Some diet plans can even be bad for your health. … Improving your eating habits—without using a diet—can be an effective way to improve your health, even if you don't lose …