Scientists have detected pregnancy hormones in ancient bones and teeth, revealing a new way to trace pregnancies in the ...

The complete blood count routine test provides a snapshot of your body's blood production and immunity. The test measures a variety of components in your blood, including red blood cells, white blood ...

Can your bathroom double as a lab? At-home testing is reshaping how we learn about our bodies — and raising new questions.

This article was reviewed by Julia Switzer, MD, FACOG. What Is Estrogen? Everything You Need to Know Estrogen is one of the ...

How do you spot pregnant individuals in the archaeological record? With great difficulty, it turns out. But that could be ...

Unfortunately, perimenopause has been understudied by the medical community, and talked about very little by society at large ...

Progesterone, oestrogen and testosterone can be detected in skeletons over 1000 years old, offering a way to identify ...

This test uses saliva and connects to your phone to deliver quick insights into your stress hormones -- no needles needed.

A false negative on a pregnancy test means the test says you're not pregnant when you actually are. Here's how it could ...

Blood pregnancy tests can tell you if you're pregnant 6 to 14 days after conception. You'll need to wait longer before taking ...

Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent ...