#1 pregnancy: Pregnancy is always a possibility. Purchase and perform a home pregnancy test. They usually become positive when you're about a week late. If it's negative, repeat it in 1 week and see your doctor.
Answered 10/3/2016
5.6k views
Numerous: There are many things that can cause irregular menstrual cycles, pregnancy is just one of them. There are many medications and herbs that affect the hormones. Stress is a common cause. Weight changes also affect the cycle.
Answered 10/3/2016
5.6k views
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