Me and my hubby had an unprotected sex last week tuesday, at 6:15pm i took 4pills then i took the seconds dose late 6:50am, then after 1 week i didn't have withdrawal bleeding, i took 4pills again at 8:35am then i tookthe second dose late again 9pm, will it still be effective? will i become pregnant? Answer me please :( THank You! God bless!