Hi.. My last peroids was on jan 14th.. i had unprotected sex on jan 27th.. my husband i much aware that he dint allow sperms to get in.. On 28th and 29th morning i noticed there was a drop of bleedings... but i took ipill within 72 hours after taking pill there was no bleeding... when can i expect my next cycle .... i am really worried if there s a chance of pregnancy.... im tensed alot.... please help:-(