hi im 13 weeks pregnant and have a lumpy type rash for the past 3 weeks it started on my lower legs and forearms now i have it on my belly and hips its is very itchy wen lumps are big ,the lumps are fairly big and look like bites , ive looked at some pics on the net ,and it looks like prurigo ,is there any way i can find out for sure ,ill crack up if i have to wait till mon, as im scared it might be pemphigoid gestationis ive read this can be harmful to baby im so worried hope u can help