The possible blood types for having a child with B and O blood are B and O.
Blood type refers to the difference in antigens on the surface of red blood cells. The ABO blood grouping system is categorized into four types, depending on whether there are A or B antigens on the surface of the red blood cells and the presence of anti-A or anti-B antibodies in the serum.
Among them, red blood cells with B antigen, serum with anti-A antibody for B type, its possible genotype for Bi or BB; red blood cells do not have A and B antigen, serum with anti-A and anti-B antibody for O type, its genotype for ii. Therefore, B and O blood type blood to give birth to a child, the child’s genotype may be Bi, ii, that is, the possible blood type for B and O type.
In addition, there is also the Rh blood group classification system. Clarifying the baby’s blood type in time can facilitate the physician’s treatment of the disease in the event of a sudden illness.