Way to freak me out....

So I read an article from a doctors website on giving birth... 
and let me tell you, me being a hypochondriac and worrying about every little possible thing and then I run into the article saying that you can die from giving birth... is this true!? Like my goodness. How does that even happen?? Is it likely that this happens? I've never heard of any woman dying after giving birth! 
Someone please Explain or clear this up for me! Freaking out now 😣😭😩