After you stop taking Regestrone (norethisterone), it typically takes about 3 to 7 days?and sometimes up to 10 days?for your period to start. Since it has only been four days, your body is simply adjusting to the decline in hormone levels. I suggest waiting a few more days. However, if your period does not arrive after 10 days, or if there is any possibility of pregnancy, please take a home pregnancy test and consult your doctor for personalized guidance.
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Is it normal that my period still hasn't started four days after I stopped taking Regestrone 10 mg?