Hi i have been on the pill and taking it the right way.i had my periods on the 25 of June last month then on the 2 of July i had sex with my boyfriend and then on the 8th to the 9th of July i had a period which had clean blood only for these two days then on the 14th July i took a home preg test and it was negative and now Im having slit cramping on the right hand side of my abdominal and back pains am i preg was the test to early to show.