BTDT Mama, do I need this?

Kelsey • Baby Girl #1 was born 10/5/17 Baby Girl #2 was born 2/15/19 😊
Waterproof mattress pad for ME, not baby. 😉 I've heard if your water breaks in bed, it can ruin your mattress. Is a waterproof pad necessary for the likelihood my water would break in bed.  They're not all that cheap! BTDT mamas, what'd you do?!