Risk factors for preterm birth: a prospective cohort study
To investigate the incidence of preterm birth and risk factors for preterm birth. A prospective cohort study was performed for the pregnant women in early pregnancy and their spouses, who underwent prenatal examination for the first time in Hunan Provincial Maternal and Child Health Care Hospital fr...
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Veröffentlicht in: | Zhongguo dang dai er ke za zhi 2021-12, Vol.23 (12), p.1242 |
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Format: | Artikel |
Sprache: | chi ; eng |
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