First ultrasound today 😐

Daniells
Had my first ultrasound today and they saw the gestational sac but nothing inside it. According to LMP I would be 6 wks 5 days. The tech said I may have ovulated later, and possibly will come back in 2 weeks for another.Now I feel so discouraged. I have cried and lost my appetite. Every cramp I feel like "this is the end". I have to work a 10 hr shift tomorrow and have no idea how I can get through it. I just been laying on the couch...