I need help

Hello ladies... I need reassurance I’m not pregnant because I’ve been freaking out. My period is due in 4 days according to the app and my boobs have been hurting and I’ve been cramping but suddenly all my pms stopped. Here’s the thing I don’t have sex and the only sexual thing I did was my boyfriend eating me out.. yes.. I know I can’t be pregnant but I’m panicking so someone please reassure me