 [ Symptoms ] i take steroid prednisolone for ivfpregnancy due to auto immune issue but i have herpes 2 will this affect baby [ Disease ] taking an oral corticosteroid like prednisone or prednisolone long term during pregnancy has been associated with an increased chance for delivering a baby that is premature born before 37 weeks of pregnancy andor has a lower birth weight than expected that possibility that your baby will get infected by herpes is low if you are infected in the early pregnancy