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J Matern Fetal Neonatal Med. 2012 Dec;25(12):2588-90. doi: 10.3109/14767058.2012.713054. Epub 2012 Aug 24.

Helicobacter pylori and thrombocytopenia in the pregnant hispanic population.

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Department of Obstetrics and Gynecology, University of California, Irvine, Orange, CA 90033, USA.



An association between Helicobacter pylori (H. pylori) and thrombocytopenia has been demonstrated in the literature in a non-pregnant population. The purpose of this study was to determine whether or not there is a similar association in the third trimester of pregnancy in a Hispanic population.


This is a secondary analysis of 82 pregnant Hispanic women with and without hyperemesis gravidarum who underwent serologic evaluation for H. pylori IgG. Results of complete blood counts obtained in the third trimester were analysed for thrombocytopenia.


Of the 82 subjects who had H. pylori testing, 54 subjects had both serum H. pylori IgG results and third trimester platelet levels. The prevalence of thrombocytopenia was 11.1% (6/54). Thirty-six subjects were seropositive for H. pylori IgG and 18 subjects were seronegative. Of the 36 subjects who were H. pylori seropositive, four (11.1%) developed thrombocytopenia compared to three of 18 (16.7%) H. pylori seronegative subjects (P = 0.67). There was no difference between the groups in their mean platelet values (205 K/cu mm vs. 212 K/cu mm, P = 0.69).


In this limited study, we found no association between H. pylori and thrombocytopenia in the pregnant Hispanic population.

[Indexed for MEDLINE]

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