Symptoms include vaginal bleeding that occurs irregularly, at abnormal frequency, lasts excessively long, or is more than normal. Normal frequency of periods is 22 to 38 days. Variation in the length of time between cycles is typically less than 21 days.
The causes of AUB are divided into nine groups: uterine polyps, fibroids, adenomyosis, cancer, blood clotting disorders, problems with ovulation, endometrial problems, healthcare induced, and not yet classified.
Age >40 years
- Obesity
- PCOS
- Diabetes mellitus
- Nulliparity
- Early menarche or late menopause (>55 years of age)
