if a couple have same blood group, will they be able to raise a family? In our family there are already cases of children with mental retardation, not beacause of the same blood group but may be some other problem. Is there high risk since it is running in family?
Hi, Thanks for asking.70% of the world population has same blooded group. Having same blood group does not increase the risk of any syn Chat Doctor.  Marrying between close relatives, will reduce the genetic pool and increases the risks of syn