My ex gave me chlamydia

So as the title says my ex game chlamydia and idk what to do. I’m mad, sad, n scared at same time n I just don’t know what to do. So she went to her doctor cuz she felt off n apprently she got a positive. According to her after we broke up she had intercourse early December n we got “back” right before Christmas n she told me he had protection but idc I’m just mad that she did this to me but sad because I love her but ik I can’t or shouldn’t accept her apologies. And idk how I’m gonna tell my parents n what I should do please help me and give adice as I’m in state where I can’t think properly but I don’t want to tell my parents yet.