Association of maternal serum copper during early pregnancy with the risk of spontaneous preterm birth: A nested case-control study in China
Background: The effect of maternal copper (Cu) level on the risk of spontaneous preterm birth (SPB) remains debate. Therefore, we conducted a prospective nested case-control study in Shanxi Province to investigate the relationship between maternal serum Cu concentration and SPB risk, as well as the...
Main Authors: | , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2019-01-01
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Series: | Environment International |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0160412018315824 |