Not pregnant: Plan B, is emergency contraception you take within 72 hours after unprotected sex. It contains a high level of hormones that interfere with the implantation of a fertilized embryo and resets your menstrual cycle. It should not be used regularly as the levonorgestrel can have side effects including nausea, abdominal pain, fatigue, headache, irregular bleeding, breast pain
Answered 12/22/2020
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