Worried

Went to the Doctor due to light spotting and pelvic pain. Last year i had a ruptured ectpoic so we were worried of a repeat. I should be 6 weeks today but they were unable to see anything on the ultrasound but my Hcg level is 238. They say that it might still be too early to see our baby but I am definitely pregnant! I go back to the doctor on Wednesday to get more bloodwork and another ultrasound. Praying everything is fine.