Talk to Gynecologist on Pregnancy Test Came Positive Then Negative

mjhy pcos hai or meri shadi ko 5 months hogaye hain 7july ko mjhy periods honay thy jo miss hogaye hain mainy 13 july ko pregnancy test kiya to positive aya phr mainy 3 din laga tar test kiya morning or evening may faint line the positive wali then 16july ko blood test krwaya to negative aya test result usky bd b mainy home test kiya to thori dark lines hogae or positive ata raha mkhy symptoms b show horhy hain nausea , headache, tiredness, breast tenderness... 18 july tk mera home test positive ata raha hai or ab negative ara hai mainy 2 test kiye hain to... to please mjhy pta skty hain k ye kya masla hai