Helicobacter pylori Exposure in Nausea and Vomiting of Pregnancy Increases Risk of Preterm Delivery
Table 1
Diagnostic codes and prior evidence for associations with nausea and vomiting of pregnancy, H. pylori, and preterm delivery. The cited literature in this table represents manual selection and is not intended to reflect a complete or systematic literature review. The associations may be either positive or negative and were not necessarily causative or detected in all relevant prior studies. Asterisk indicates that all subclassifications under the indicated category were included.