RhD negativity among pregnant women in multiethnic Suriname

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Abstract

BACKGROUND:

RhD negativity is distributed unevenly among different ethnicities. In this study we explored the frequencies of RhD negativity in pregnant women in multiethnic Suriname, along with screening results for red blood cell (RBC) antibodies in these women and their offspring. Results may help identify women at risk for hemolytic disease of the fetus and newborn.

STUDY DESIGN AND METHODS:

A retrospective study was performed in pregnant women who delivered at three major hospitals in Suriname between January 1, 2013, and December 31, 2014.

RESULTS:

The overall prevalences of RhD negativity among 8686 women was 4.3%. The percentages of RhD negativity in Maroons, Creoles, and Hindustani women were 7.2, 5.4, and 3.7%, respectively. Chinese and Javanese women had very low prevalences of 0.8 and 0.5%, respectively, and Amerindians showed no RhD negativity. Antibody screening was positive in six D– (five Maroons and one Creole) women and weakly positive in three women (two Creoles and one Maroon), making overall antibody prevalence 4.4%. In 15 (5.5%; 10 Maroons, four Creoles, one Chinese) newborns from D– mothers antibody screening was positive.

CONCLUSION:

In the multiethnic Surinamese population RhD negativity among pregnant women varied between 0.0 and 7.2% between ethnic groups. RBC antibodies were detected during pregnancy and in newborns in 4.4 and 5.5%, respectively.

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