During My Pregnant Time A 5 Year Old Girl Used

During my pregnant time a 5 year old girl used to hit on my stomach with her head;stick etccc...Now my baby is 4 months old...At that time scanning showed no problems...Does any problem will happen when she becomes bigger?Due to that hit my abdominal cavity has pain&swelling...Doctors told dat blood circulation is low...What can i do for this?