Period blood also can be black, orange, green, or gray due to a co-occurring health condition. Some discharge colors can suggest a sexually transmitted infection (STI). What's typical for you may ...

This color might be cute, but it doesn’t belong your menstrual blood, according to Dr. Ross. “Light bleeding can be a sign of low estrogen levels caused by the birth control pill, anemia ...

Blood color and your health. Understanding what your blood should look like is more than just a biology lesson. It’s about recognizing potential warning signs.

You may see red, brown, and even black blood during your period. Here's what the different period blood colors mean and when to consult a doctor.

The color of period blood can change during the same period cycle as well. For example, it can start out bright red in the beginning and change to a rusty brown at the end of the cycle.

Period blood color variations, such as bright red, brown, or black, are typically normal and reflect changes in menstrual flow. However, unusual colors like orange or gray combined with discomfort ...

Without oxygen connected, blood is a darker red color. Carbon monoxide, a potentially deadly gas, can also bind to heme, with a bond around 200 times stronger than that of oxygen.