Learn what different shades of blood mean and how they signal changes in your health or potential medical issues.

The color of a person’s period blood can indicate different health conditions. For example, a bright red period indicates a healthy flow, while darker red or dark brown can signify pregnancy.

Period blood color can change from bright red to dark red, pink, or brown at different points during menstruation, though it's not typically an indicator of your overall health. Color can change ...

It has a “broad,” “strongly arched” body and small eyes. The crab is a “unique” color, a “dark blood-red,” researchers said. Photos show the blood-red Ghat crab. Its body has a ...