I keep getting these magazines in the mail for babys?

I don't have a baby!!!! Or any kids for that matter! Its ticking me off, I gave my baby up for adoption a few months ago yeah it is painful ******* memorys ones i don't want to think of. I called 1 of the companys I don't know if there all from the same on and i couldn''t find the number on the one i got today. How do I get them to stop???!