Birth control effectiveness varies by method, with implants, IUDs, and sterilization preventing pregnancy over 99% of the time. Pills, patches, and condoms are also reliable but depend more on correct ...
The math behind an unintended pregnancy is not complicated. A woman whose reproductive years span four decades with a monthly menstrual cycle can expect to ovulate — release an egg that can then be ...
Fertility awareness may be effective for birth control if people use it correctly and consistently, particularly if they use a combination of methods. Fertility awareness is a method for recognizing ...
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