Finding a swimsuit you like is hard enough. But finding one when you’re on your period? Talk about tough stuff. Whether you use tampons, menstrual cups or pads, if you are wearing a traditional ...

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 with ...

Sex during your period is safe, but whether you choose to have it depends on personal comfort. Some people feel uneasy about it, while others find it enhances intimacy and relieves menstrual cramps.

Shannon M. Bauer is a New York-based beauty and wellness reporter and currently is the Associate Editorial Director at InStyle. She is also a certified makeup artist. When not on the hunt for her ...

The egg must experience fertilization within 24 hours, or it may begin to disintegrate, leading to menstruation or period-like bleeding. Sperm must enter your vaginal canal and travel through your ...

The oldest echinoids come from the Late Ordovician Period and are approximately 450 million years old. The closest sister group to the echinoids are the holothurians and the two groups must have ...

The Trump administration has revoked federal funding for a menstruation study after conservatives falsely claimed the grant would examine “menstrual cycles in transgender men.” In fact, the ...

There are around 800 extant species and the group has a long and detailed fossil record stretching back about 450 million years ago to the Late Ordovician Period. They belong to the Echinoidea, one of ...