From endometriosis and cervical cancer, to diabetes, vitamin D deficiency and pollution exposure, scientists are finding period blood offers a window into women's wellbeing.

Blood can change color during menstruation, ranging from bright red to pink to brown. If you drop trou on your period and see anything but red, try not to panic. Period blood isn’t always red, and ...

Bright red period blood is common at the start of your period and indicates blood has passed through your vagina quickly. Orange, gray, or green tinges in period blood can be signs of an STI or other ...

Stem cells in menstrual blood could transform the future of medicine, according to a doctoral research scientist called Alice van der Schoot who is sharing her studies on TikTok. Known as @ditto.daily ...

Sweat, changes in vaginal bacteria, and perimenopause may change the odor of your menstrual blood. A new, unpleasant smell could also point to an infection or, in some rare cases, cervical cancer. If ...