Is it normal to get O -ve blood group baby from their parents ,As my husband's blood isB+and mine isO+ve

A. Ma’am it is normal for a child to have a different blood group other than parents sometimes this kind of situation can be seen I would not say is extremely common but it is also sometimes what happens is when the blood groups of the parents are very different and very difficult to match when it comes to pregnancy a child can actually take a third blood group