Bright red period blood is common at the start of your period and indicates blood has passed through your vagina quickly.

There are 1.8 billion monthly menstruators worldwide. Better understanding the science behind period blood, as well as cultural stigma and period policy, can help menstruators everywhere break down ...

Noticing that your period blood looks thinner or more watery than usual can be concerning, especially when you’re used to a certain consistency and color. Many women experience changes in their ...

NPR’s Ailsa Chang talks to Mother Jones’ Maddie Oatman about her recent reporting revealing how menstrual blood has long been an overlooked source of key medical information. OK, we're going to take a ...