It's common to experience occasional changes in menstrual flow, from heavier to lighter than usual. Birth control, thyroid disorders, and stress can lead to a lighter period, or even a missed period.

Add Yahoo as a preferred source to see more of our stories on Google. First: "A 'normal' period typically lasts between two and seven days with a moderate to heavy flow of blood, which is generally ...

Real talk: Periods can be unpredictable. Whether your period is suddenly shorter than normal, you got it twice in one month, or you're randomly spotting, it can be confusing when your cycle is ...

Implantation bleeding is a normal, early sign of pregnancy and typically lighter than your period. Implantation bleeding will usually be pink or light brown and have a thin, watery consistency. It's ...

Implantation bleeding differs from menstruation in several ways, including the timing, the type of bleeding that occurs, and how long the bleeding lasts. Knowing these distinctions can help you ...

Real talk: Periods can be unpredictable. Whether your period is suddenly shorter than normal, you got it twice in one month, or you're randomly spotting, it can be confusing when your cycle is ...