I had sex with my gf on nov 8 n was protected n yet we chnkd d condom was nt broken n for confirmation i did tested on 21 der test was negative n d dates was of 26 yet its, 11 der are no signs of dates..  Even she  chkd again on 5 after a month the test were negative der are no signs but now she is hving a slight pain at lower back.. Plz help mee out