2weeks from conception and hcg levels read 2weekspreg

SO LAST WEEK I WENT TO THE HOSPITAL FOR BACK PAIN AND I HAD UNPROTECTED SEX WITH MY HUSBAND THE PRIOR WEEK SO I WENT TO THE HOSPITAL AND THEY TOOK A URINE TEST AND IT SAID I WAS PREGNANT BUT WHEN THEY DID THE ULTRASOUND THEY DIDNT FIND A SAC OR A POLE THEY CHECKED MY HCG LEVELS AND IT CAME BACK POSITIVE SO IS IT POSSIBLE IM ABOUT 2 WEEKS PREGNANT LIKE MY DOCTOR SAID AND IF SO WHEN WILL I BE ABLE TO VIEW MY BUNDLE OF JOY AND ALSO WHEN I WENT TO THE HOSPITAL I HAVENT MISSED A PERIOD YET