Help please!!!!!


Well hello im berenice im new to this i have a question im 8 days late my last period was august 28,2018 it was 6 days long light then medium my next period should of started sept.25,2018 but did not come so i googled my next period and it indicate that it should of started sept.18,2018 so which one should i go for im so nervous that i really want to be pregnant been trying for 1 year please help im confused did several pregnacy test but 4 positive and 3 negative