Abstract Objective：To study the expression of helicobacter pylori in indigestion pregnant women，investigate the relationship between helicobacter pylori infection and indigestion.Method：From March 2012 to September 2013 alone， 90 cases of indigestion pregnancy pregnant women were selected as the research object， the selection over the same period 90 cases with no history of digestive symptoms and gastrointestinal disease pregnant women as control group.Hp and CagA in two groups was analyzed.Result：The positive serum of H.pylori was slightly higher than the control group in the indigestion group but there was no significant difference（ 68% vs59 %，P>0.05）.In H.pylori positive cases with gastrointestinal symptoms and no digestive tract symptoms in the two groups of CagA positive rate had significant difference（vs43%62%，P=0.0002）.Conclusion：In the pregnant women of indigestion，increased Hp infection is not statistically
difference， however， the incidence of indigestion in cagA positive serum was significantly higher than that of cagA negatie，thus， highly pathogenic Hp strains is closely related to the pregnant women indigestion.Clinical treatment，Hp strains should be clear as a breakthrough point，through clearing Hp strains， relieve the symptoms of indigestion.
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