Maternal HY-restricting HLA class II alleles are associated with poor long-term outcome in recurrent pregnancy loss after a boy

Astrid Marie Kolte, Rudi Steffensen, Ole Bjarne Christiansen, Henriette Svarre Nielsen

17 Citationer (Scopus)

Abstract

PROBLEM: Women with secondary recurrent pregnancy loss (RPL) after a boy have a reduced chance of live birth in the first pregnancy after referral if they carry HY-restricting HLA class II alleles, but long-term chance of live birth is unknown.

METHODS OF STUDY: Live birth was compared for 540 women with unexplained secondary RPL according to firstborn's sex and maternal carriage of HLA-DRB3*03:01, HLA-DQB1*05:01/02, HLA-DRB1*15, and HLA-DRB1*07. The groups were compared by Cox proportional hazard ratios.

RESULTS: For women with at firstborn boy, maternal carriage of HY-restricting HLA class II alleles decreased chance of live birth: 0 vs 1: hazard ratio 0.75 (95% CI 0.55-1.02); 0 vs 2: HR 0.62 (0.40-0.94). Carriage of HY-restricting HLA class II alleles decreased chance of live birth only if the firstborn was a boy: boy vs girl: HR 0.72 (95% CI 0.55-0.98).

CONCLUSION: Maternal carriage of HY-restricting HLA class II alleles decreases long-term chance of live birth in women with RPL after a boy.

OriginalsprogEngelsk
TidsskriftAmerican Journal of Reproductive Immunology (Print)
Vol/bind76
Udgave nummer5
Sider (fra-til)400-405
Antal sider6
ISSN1046-7408
DOI
StatusUdgivet - nov. 2016

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