Figure 8. MHC matching between mother and graft improves engraftment in MHC-mismatched fetuses.

(A) Breeding scheme used to MHC match the mother with donor cells. B6 × BALB/c F₁ (H-2^b/d) female mice were mated to BALB/c (H-2^d/d) males, and fetuses received B6 H-2^b/b FL cells. (B) Frequency of chimerism among fetuses that were MHC matched (H-2^b/d, n = 11) or mismatched (H-2^d/d, n = 12) to the donor graft.