pregnant I don’t know

I’m so so confused I had a positive pregnancy test straight away did one and loads after and they were all negative I had the weirdest bleeding nearly two weeks before my period was meant to come then no blood clots nothing like my periods would be no pain or aches just fresh bleeding wasn’t heavy heavy but lasted 5 days my boobs are bigger and bloating like crazy after anything and Lower abdomen just feels so heavy and just a feeling what do you guys think ?