Advice please

Jade • 26y/o 😍 married 💍 Toby 🐶 TTC 💑 2 step children 👨‍👩‍👧‍👧

Hey lady’s I need some advice I am due my period to day and it’s still not hear I have been have really bad back pain the last week and now having light brown discharge and a sick mess feeling anyone now what this means