Help please.

Carissa • 22 - Married -TTC #1

Okay guys so me and my SO have been TTC for a year now. AF was supposed to start 8/23 and still hasn't. I'm always hungry and tired but feel sick when I do eat, my breast hurt soooo bad primarily my nipples, and I've been cramping. Every test has been negative. 😭😭 what should I do?