My last period was last march 30,2017 but its for the month of april, so since then i havent got period, and i had sex last april 3, the end of my period was april 2, then i had sex again on april 18, and april 24, but when i took pt last may 4, it was negative, then i had sex again last may 6 2017, then last may 14 i took pt again and it said positive now, how long am i
pregnant?