Pregnancy Outcomes in Women with Kidney Transplant: Metaanalysis and Systematic Review

Overview

Journal BMC Nephrol

Publisher Biomed Central

Specialty Nephrology

Date 2019 Jan 25

PMID 30674290

Citations 59

Authors

Silvi Shah

Renganathan Lalgudi Venkatesan

Ayank Gupta

Maitrik K Sanghavi

Jeffrey Welge

Richard Johansen

Emily B Kean

Taranpreet Kaur

Anu Gupta

Tiffany J Grant

Prasoon Verma

Affiliations

Soon will be listed here.

Abstract

Background: Reproductive function in women with end stage renal disease generally improves after kidney transplant. However, pregnancy remains challenging due to the risk of adverse clinical outcomes.

Methods: We searched PubMed/MEDLINE, Elsevier EMBASE, Scopus, BIOSIS Previews, ISI Science Citation Index Expanded, and the Cochrane Central Register of Controlled Trials from date of inception through August 2017 for studies reporting pregnancy with kidney transplant.

Results: Of 1343 unique studies, 87 met inclusion criteria, representing 6712 pregnancies in 4174 kidney transplant recipients. Mean maternal age was 29.6 ± 2.4 years. The live-birth rate was 72.9% (95% CI, 70.0-75.6). The rate of other pregnancy outcomes was as follows: induced abortions (12.4%; 95% CI, 10.4-14.7), miscarriages (15.4%; 95% CI, 13.8-17.2), stillbirths (5.1%; 95% CI, 4.0-6.5), ectopic pregnancies (2.4%; 95% CI, 1.5-3.7), preeclampsia (21.5%; 95% CI, 18.5-24.9), gestational diabetes (5.7%; 95% CI, 3.7-8.9), pregnancy induced hypertension (24.1%; 95% CI, 18.1-31.5), cesarean section (62.6, 95% CI 57.6-67.3), and preterm delivery was 43.1% (95% CI, 38.7-47.6). Mean gestational age was 34.9 weeks, and mean birth weight was 2470 g. The 2-3-year interval following kidney transplant had higher neonatal mortality, and lower rates of live births as compared to > 3 year, and < 2-year interval. The rate of spontaneous abortion was higher in women with mean maternal age < 25 years and > 35 years as compared to women aged 25-34 years.

Conclusion: Although the outcome of live births is favorable, the risks of maternal and fetal complications are high in kidney transplant recipients and should be considered in patient counseling and clinical decision making.

Citing Articles

Pregnancy in Women Receiving Maintenance Dialysis.

Popa C, John P, Verma P, Ali S, Shah S Kidney Med. 2025; 7(3):100950.

PMID: 39967826 PMC: 11833626. DOI: 10.1016/j.xkme.2024.100950.

Maternal and infant outcomes of pregnancy after kidney transplantation: a retrospective cohort study.

Zhang Y, Zhang L, Xia W, Fang L, Zhu T Arch Gynecol Obstet. 2025; .

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A case of kidney graft injury during cesarean section in a pancreas and kidney transplantation recipient.

Aida N, Nishio E, Sekiya T, Aida N, Ito T, Kenmochi T Fujita Med J. 2025; 11(1):52-53.

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Pregnancy outcomes in renal transplant recipients: A systematic review and meta-analysis.

Mustafa M, Noorani A, Abdul Rasool A, Tashrifwala F, Jayaram S, Raja S Womens Health (Lond). 2024; 20:17455057241277520.

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Delplanque M, Savey L, Cognard N, Boffa J, Buob D, Georgin-Lavialle S J Nephrol. 2024; 37(9):2509-2519.

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