 [ Symptoms ] hi i had sex yesterday and after that got little blood but i am not virgin hi anyone please help me  i had sex yesterday and after that got little blood but i am not virgin today morning too i noticed little blood and upper part of my stomach is paining i took pregnancy test today morning it is negative my period is irregular after marriage will i be pregnant  or any other problem [ Disease ] i really want to answer this bizarre question but struggle with trying to take your question seriously first you did not cause brain damage from expelling gas unless the force of the fart launched you forward or into the air at great speed see this what i struggle with  a sudden movement of the head or neck can cause a brief spasm of the neck muscles so i suspect this is what happened to you i trust you have fully recovered and that there are no unintentional collateral damage to your physical surroundings