Someone advice please?

Hello everyone. So my question today is kinda personal and I don’t know what to say or do?.. it might be common sense on what to do but please if someone has gone thru this let me know your advices!

So yesterday I was talking with my MIL and she mention if I was pregnant? I said no.. and she told me she heard it from someone else.. but I said no and she told me if I ever had a baby. And if I don’t take care of the baby than she would completely take away my baby?!

And raise it without me!!

In my head I’m thinking WTF WHY WOULD I NOT TAKE CARE OF MY OWN BABY?! I’m completely silence.. didn’t say or do anything got back into my room and thought man if I had a baby this women gonna drive me crazy and she gonna do what ever she can to take away.. my heart literally broke. I’m so mad, confused. At this point I’m like I don’t wanna even try TTC..

but I stay in the same house with my MIL...

So does she have any rights over my baby if I decide we have a child?