Did not finish taking 21 days of Mefloquine, missed a few days in the middle, will it affect the monthly cycle?

Patient's question:

Sure, here is the translation of the content you provided:
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No
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Doctor's answer:

Hello, there are many methods of contraception. You can choose from medication, condoms, or intrauterine devices (IUDs). Among these, condoms are generally considered the best option, as medication-based contraception can easily cause menstrual irregularities.