Successful pregnancy renal transplantation.

Pregnancy in a renal homograft recipient resulted in the delivery of a 2770-g male fetus by classic cesarean section. Renal function remained stable throughout the gestation. The fetoplacental unit was monitored by the concurrent assay of 24-hour urinary estrogen excretion and human placental lactogen (hPL) in light of the spuriously low estrogen levels often found in these patients on chronic glucocorticoid immunosuppression.