This is normal. SPR so that the information reaches health-care providers. In situations in which the health-care provider is uncertain whether the woman might be pregnant, the benefits of starting combined hormonal contraceptives likely exceed any risk; therefore, starting combined hormonal contraceptives should be considered at any time, with a follow-up pregnancy test in 2—4 weeks.
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The following classification system was developed by WHO and adopted by CDC to categorize the applicability of the various examinations or tests before initiation of contraceptive methods 6 :. However, people tend to skip doses. This could increase your risk of breaking bones more easily.
If you think you might be pregnant Do a home pregnancy test if you have had sex since your last period. Effectiveness of family planning methods.
Today's Top Stories. A person on one of these pills can expect a period about every 28 days. Beyond weak bones, your immune system might not work properly, making you sick more often.
Share on Pinterest Birth control pills can prevent ovulation and should be effective in 99 percent of cases. TABLE 5. However, a greater number of pill packs 13 packs versus three packs also was associated with increased pill wastage in one study Level of evidence: I to II-2, fair, direct.