Hey Girls ..i have been TTC for abt 4 months...AF was scheduled on Nov 18 as per flow...its two days late now and i haven't told my husband too...i am taking prenatal vitamins for past two months...due to the curiosity i tried the baking soda pregnancy test yesterday and today morning...it fizzed spontaneously and ended within say 30 seconds..Does it indicate am pregnant!?please reply from ur experiences with this test...