Paying attention to the color of your period blood might not be your favorite activity, but it can provide useful insights into your health. The color is primarily influenced by how long the blood has been in the uterus and exposed to oxygen.

Bright Red

This is typically a sign of fresh, steady flow. It's common to see bright red blood at the beginning and middle of your period when bleeding is heaviest. It means blood is flowing quickly from the uterus and doesn't have time to oxidize and darken.

Dark Red or Brown

Dark red, brown, or even black blood is usually just older blood. It's had more time to oxidize, which is what makes it change color. You'll often see this at the very beginning or end of your period when the flow is lighter and slower. It can also be from leftover blood from your previous cycle.

Pink

Pinkish blood often occurs when period blood mixes with cervical fluid. It's common at the beginning or end of your period. It can also be a sign of low estrogen levels. Sometimes, people experience light pink spotting mid-cycle during ovulation.

Orange

Similar to pink blood, orange discharge can also happen when blood mixes with cervical fluid. However, if it's accompanied by a bad odor or itching, it could be a sign of an infection, like bacterial vaginosis or trichomoniasis, and it's a good idea to see a doctor.

Gray

Gray discharge is a reason to call your doctor. It's often a symptom of bacterial vaginosis (BV), an infection caused by an imbalance in the natural bacteria of the vagina. Other signs of BV include itching, a foul or fishy odor, and irritation.

Remember, your period can vary. But if you notice a major, persistent change in color, flow, or experience symptoms like a foul odor or severe pain, it's always best to check in with a healthcare provider.