Last menstruatiin is oct 18. supporsed to be nov 18 dpat meron na aq. pero till now delayed pa din. sa flo apps 11days delayed. nagpregnancy test aq nov 21,22,23,24&25, negative. knina nagpregnancy serum test aq negative pa din. Maaga pa kaya for testing? Any suggestion po or may similar case sa akin? ngyn lng po aq nadelayed