Abused

Ex hubby is having a reunion on the weekend ask to bring our daughter.. of course since he is the father i put my whole faith on him to be with his daughter after 3 days my 24 months baby is home... happy to be with here... then after i change her diaper.. her whole vagina is color red and keep on saying on our language that ouchy(pain) on that part... were asian... i dont want to jump into a conclusion but rash is different if only i can take a picture i would but i know its kinda disturbing... not the wall of the vagina its the inside whole red i dunno if is irratated... my heart is pounding right now.. we are gonna go to doctor tommm.. she keep saying aaw aaw over and over....