stretch marks on butt near butt crack

Jessenia β€’ Jessenia πŸ’• 1 Mc 02/17/16 πŸ’”πŸ‘ΌπŸ» Expecting Baby #2😍 Rainbow babyπŸ‘ΆπŸ½ 🌈❀️ Dec 2016 ❀️
Im 5 1/2 months pregnant. I havent got any stretch marks on my stomach. Just on my hips. I just got out the shower and was
Looking in the mirror and i noticed i have stretch marks all over my back legs and my butt. And believe it or not the outsides of my butt crack! Why am i getting them there??? 😳😳😳😳