How to Use Excel's VARP Function. 1. Learn the syntax of VARP. It is VARP(number1,number2,...) where number1, number2,... are up to 30 arguments which evaluate to numbers and comprise a complete population. VARP requires at least one argument. 2. Use arrays, names or references that contain numbers as arguments for VARP, in addition to pure numbers.
Heavy vaginal bleeding or bleeding that occurs before 12 weeks may mean a serious problem, including an ectopic pregnancy or miscarriage. Heavy vaginal bleeding or bleeding that occurs after 12 weeks also may mean a serious problem, such as placenta previa. Ovulation can cause mid-cycle bleeding. Polycystic ovary syndrome (PCOS) is a hormone imbalance that interferes with normal ovulation and can cause abnormal bleeding.
If your period is heavy enough to require changing more often than every one or two hours, or if you have a period that lasts more than a full week, you may be experiencing menorrhagia. 1. Hormones. A hormonal imbalance during adolescence or menopause is the most common cause of heavy menstrual bleeding. During adolescence, after girls have their first periods and for several years before the onset of menopause, our hormone levels are fluctuating, which often leads to excessive uterine bleeding during our periods.