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QJM. 2003 Nov;96(11):837-44.

Pregnancy in renal transplant recipients: the Royal Free Hospital experience.

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  • 1Centre for Nephrology and Department of Obstetrics and Gynaecology, Royal Free and University College School of Medicine, London, UK.



For women with end-stage renal failure of child-bearing age, renal transplantation offers a chance to start a family. Pregnancies in renal transplant recipients involve risks for graft and fetus, and need to be carefully managed.


To identify graft, fetal and maternal outcomes in our patients, and compare our results with those of the large national transplant registries.


Retrospective case-note review.


We assessed the outcomes of 48 pregnancies in 24 renal transplant recipients. Obstetric data and renal parameters were examined in 27-30 pregnancies that progressed to delivery.


Mean time from transplantation to pregnancy was 6.5 years, with an unfavourable outcome in patients who conceived within 1 year. There was a 41% incidence of fetal growth restriction (FGR), and 33% of infants were small for gestational age. FGR was associated with maternal hypertension, a pre-pregnancy serum creatinine (SCr) >/= 133 micro mol/l (1.5 mg/dl), calcineurin inhibitors and the use of cardioselective beta blockers. Two patients with pre-pregnancy SCr > 200 micro mol/l lost their grafts within 3 years of delivery. A permanent significant decline in graft function occurred in 20%, by 6 months post delivery.


FGR with SGA infants occurs frequently. Atenolol should be avoided in pregnancy and Metoprolol should not be combined with calcineurin inhibitors. Pregnancy appeared to have a deleterious effect on graft function in patients with SCr > 155 micro mol (1.75 mg/dl). Patients with pre-pregnancy SCr 200 micro mol/l are at greatest risk.

[PubMed - indexed for MEDLINE]
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