Here’s what we know so far.

Germany, Ireland, Norway, and more.

Also pregnant people and anyone taking estrogen.

Many conditions can cause a stuck-in-a-vise feeling.

It’s not as simple as it seems.

"It’s incredibly frightening."

Sometimes it’s hard to tell what’s what.

Each type has its pros and cons.

The band postponed Vegas show dates as a result.

"Everything's just a little more complicated when you're knocked up."

They made Serena Williams' delivery complex.

Let’s dig into that whole flying-when-pregnant-is-dangerous thing.

"Everything went bad."

And how to prevent them from forming.

Recognizing the warning signs can save your life.

Experts say you shouldn't freak out, but this is a (very rare) thing that can happen.

It's easy to dismiss your own health issues after you've had a baby. Here's why experts say that's a potentially dangerous idea.

Blood clots are a rare, but known, complication after childbirth. Here are nine important warning signs to look out for.

This crazy-sounding syndrome is no joke, but don't cancel your highlights appointment. Here's what you need to know.