|Where Women Have No Doctor - A Health Guide for Women (Hesperian Foundation, 1997, 600 p.)|
|Chapter 22: Abnormal Bleeding from the Vagina|
|Problems with Monthly Bleeding|
Something may be wrong if monthly bleeding comes more often than every 3 weeks, or if it comes and goes without a regular pattern.
· The ovary may not have released an egg.
· There may be growths (fibroids or polyps) or cancer in the womb, especially if monthly bleeding is heavy and not regular.
· Taking the medicine called estrogen after menopause.
· Some family planning methods - like the pill, implants, and injections - can cause you to bleed more often.
¨ Hormonal family planning methods such as pills, implants, or injections, can change monthly bleeding.