Menstrual blood loss can vary significantly from one woman to another, and what is considered heavy for one may be perfectly normal for another. As a general guideline, the average amount of blood lost during a period is between 30 to 40 milliliters (ml). However, it's important to note that 9 out of 10 women lose less than 80ml. If a woman's menstrual bleeding exceeds 60ml in a single cycle, it is often characterized as heavy menstrual bleeding. It's also worth mentioning that measuring blood loss is not typically necessary for most women, as the body's mechanisms are usually sufficient to manage and compensate for the loss. read more >>

What's heavy for one woman may be normal for another. The average amount of blood lost during a period is 30 to 40 millilitres (ml), with 9 out of 10 women losing less than 80ml. Heavy menstrual bleeding is considered to be 60ml or more in each cycle. But it's not usually necessary to measure blood loss.read more >>