Blood test negative but urine positive ???

Geneva

Has anyone had blood test say negative and 6 test says positive??? I went and got my blood work done at some cheap clinic and they had my results in 5 min from blood and she said umm no your not pregnant or you might not have had a successful pregnancy and I said but I’m not bleeding nor am I having any types of pain and she was trying to get me to do a ultrasound and I said why do an ultrasound if I’m not pregnant? Makes no sense right? Then I asked for a urine test and she said they don’t do those there and there was nothing they could help me with. So I left and bought 3 more test and took them and all said positive even got a yes on a digital test!! My period isn’t due until the 14 so I am about 3 days before a missed period... any ideas?? Should I get a second opinion???