i just found out that i have a Arteriovenous malformations (avm) the did not find it in my brian but rather in my chest so i went to see a pulmonary dr... well the did a a bubble echo and some other test but never really gave me the info that i need like where in my chest, how big every time iv asked iv got the run around about it so im not really sure what to do can differnt things cause it to brust of if i be come pregant again can that couse prombles ?