7 weeks pregnant with false negative HPT.

Hi ladies I am so confused, I asked my DH again to pick me up some HPT at the dollar store yesterday evening and right away I did 3 test and it all was so faintly positive after being strongly positive on previous ones so we insist that I tested again the following morning which was this morning because I woke up and automatically felt myself and seen that I was spotting & bleeding again. This has been going on and off for over two weeks now so I’m not that alarm because I don’t have any cramping at all but to be on the safe side I am always checking at home for confirmation that I am still pregnant🤰🏽

Okay so I pee test this morning and the second line did not show up, not even faintly! I have my first prenatal visit on Monday Jan 28, What if it shows up negative at the doctors office as well? I have heard stories of negative pregnancy test with expectant mothers, how could there be such a thing? 3 weeks ago I went into the ER for confirmation, I was given an ultrasound in which they couldn’t see anything wrong they said I am really pregnant and everything checks out perfect, blood & urine test and all. Why is my HCG levels so low right now? Why does this happen? I still feel something wiggling in my belly down there. Please explain to me, is there a positive outcome for me having a healthy pregnancy? I don’t drink alcohol, I don’t smoke or do any kind of drugs. I eat healthy all my life. I was diagnosed with PCOS since 19 years old, I am in my mid 30’s now. I been married for almost a decade, we really want this baby/kids. I am so hurt and confused right now. Did anyone of you had a successful pregnancy in my situation? Please I need answers 😪