A normal menstrual cycle is 28 days, but anything plus or minus seven days is considered normal, making it possible to have two periods in one month as little as 21 days apart, according to eMedicineHealth. However, if periods are consistently closer than that, the abnormal bleeding is called metrorrhagia and can be a cause for concern. Possible reasons for an extra period include hormonal changes or dysfunctional uterine bleeding.Continue Reading
Dysfunctional uterine bleeding is the most common cause of bleeding at abnormal times between periods in women of childbearing age, according to eMedicineHealth. In most cases, it does not indicate disease, and can occur both with and without the release of an egg from the ovaries.
In some cases, abnormal bleeding outside of the normal menstrual cycle can indicate uterine fibroids or pelvic inflammatory disease, according to eMedicineHealth. If two periods monthly continue to occur, visit a doctor for an evaluation and pelvic examination to rule out these conditions. In older women, irregular periods can be an early indication of the beginning of menopause. Any time that irregular bleeding is accompanied by severe abdominal pain, lightheadedness or a fever, it is important to seek medical attention as soon as possible.Learn more about Menstruation
Irregular periods are generally not cause for alarm, but in some instances may signify an underlying medical problem, according to EverydayHealth. As many as 30 percent of women during childbearing years have irregular periods.Full Answer >
It is possible for women to have two menstrual cycles per month according to the U.S. Department of Health and Human Services. This can occur either if she has it at the very beginning of the month and then again at the very end in a typical 28 day cycle, or it can happen more frequently as a sign of reproductive issues.Full Answer >
A regular menstrual cycle starts 28 days after the previous cycle began. The first day of a menstrual cycle is considered to begin on the first day of regular blood flow.Full Answer >
Hormonal imbalances, non-cancerous uterine growths, and infections can cause bleeding between regular menstrual periods, also referred to as intermenstrual bleeding, according to Healthline. Stress or cervical cancer can also cause the condition.Full Answer >