It a condition than can happen during pregnancy.......You should have a regular follow up and ur Blood pressure should be monitored regularly and u should be cautious to new symtoms like.sever head ache,abdominal pain, blurring of vission,loss of conciousness,decreased fetal movement,vaginal bleeding......if u develop this symtoms they are alarming and u should visit health centre immediately ....u shouldnt be stressed with adequate follow up u will have good outcome