So confused please help any advice I will take

Amanda

So I was taking pregnancy test every week and they were all negative but then after like 6 weeks I had a very bloody miscarriage and I saw the fetus In the toilet it was very heartbreaking an I was In shock didn’t know what to do I’m trying to conceive again but I’m worried that I won’t know if I’m pregnant again bc the test before were negative is this normal with girls that have pcos to get negative urine prego test ? Please help I’m so lost and confused