I need help please

I took 3 pregnancy tests from rite aid last weekend and a faint line came up on them. I took a clear blue also and no control line ever showed up. Ive been having a ton of symptoms along with my period being 2 weeks late. I haven’t had my period since July 23rd and had sex during ovulation. I went to a hospital today that I normally don’t go to because my boyfriend has had a ton of problems there with them misdiagnosing. They did a blood test, after stabbing me 5 times and waiting about a half hour a random doctor came in and told me the test came back negative. I know people say the test are most accurate but I don’t think it was right. When the nurse was taking my iv out when they were discharging me my boyfriend got up to go to the bathroom and she began making comments about how whoever he sleeps with I am sleeping with. I have been with my boyfriend for almost 2 1/2 years and have lived with him since December 2017. With my discharge papers they diagnosed me with metrorrhagia, i told them multiple times that I am not bleeding and haven’t bleed since July. What should I do?