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The medical histories of females with PCOS often show irregularity of their menstruation cycle. This condition sees small cysts develop on ovaries and interferes with ovulation. PCOS can cause infertility, heart disease and diabetes. Women nearing menopausal age can experience changes in their menstrual cycle, as can young girls when they begin theirs and it is not unusual for it to take some years before a regular pattern is observed. Illnesses including eating disorders, diabetes, fibroids, endometriosis, thyroid disorders and the contraction of sexually transmitted diseases all have the potential to interfere with menstruation.Īny prescription medications, use of the contraceptive pill specifically or recreational drugs (in particular stimulants and opiates) are known to upset period frequency or stop menstruation altogether. According to articles featured on and there are a wide variety of reasons that could cause someone to experience an irregular menstrual cycle from 28 days to 23 days and beyond, these include diet and exercise, general health condition, drugs, age and Poly-cystic Ovary Syndrome (PCOS).Įxcessive alcohol consumption, smoking (in particular heavy smokers), extreme dieting, extensive exercise, poor nutrition or even large amounts of caffeine in a diet can be responsible for missed, late or irregular periods.īecoming anxious or stressing out can have a significant impact on a woman's menstrual cycle, whether it be a chronic condition or worrying about something specific.
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