Everyone will shed her uterine lining at a different rate (like snowflakes, each period is unique), but for the most part, seeing some dark brown blood at the beginning of your period or toward the end of it is nothing to worry about. read more
In most cases, brown blood during your period is normal. The color and consistency of blood can change throughout your menstrual cycle. It may be thin and watery one day, and thick and clumpy the next. It may be bright red or brown, heavy or light. It’s normal for your periods to vary in length, heaviness, and level of discomfort. read more