A. Average (± SD), dose-normalized (1 mg/day), whole blood tacrolimus trough concentrations during early-, mid-, and late-pregnancy as well as > 3 months postpartum. B. Average (± SD) tacrolimus dose (mg/day) during early-, mid-, and late-pregnancy as well as > 3 months postpartum. C. Average (± SD) whole blood tacrolimus trough concentrations during early-, mid-, and late-pregnancy as well as > 3 months postpartum. D. Average (± SD) unbound tacrolimus trough concentrations during early-, mid-, and late-pregnancy as well as > 3 months postpartum.