What to do if I have chicken pox when I was on my 3 or 4 months of pregnancy. Could it harm my baby?

Yes it can. Most babies are born healthy even if their mother does get Chicken Pox during pregnancy But early pregnancy Chickrn Pox can infect the fetus and can cause severe birth defects such as small deformed arms and legs,skin scars,eye problems,mental retardation,prematurity and early death. This rare condition is known as Congenital Varicella Syndrome.It usually happens in first trimester up to 3 months.