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Reproductive Factors and Risk of Spontaneous Abortion in the Jinchang Cohort

Author

Listed:
  • Xiaobin Hu

    (Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, Chengguan District, Lanzhou 730000, China)

  • Miao Miao

    (Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, Chengguan District, Lanzhou 730000, China)

  • Yana Bai

    (Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, Chengguan District, Lanzhou 730000, China)

  • Ning Cheng

    (Key Laboratory of Preclinical Study for New Medicine of Gansu Province, College of Basic Medicine, Lanzhou University, Chengguan District, Lanzhou 730000, China)

  • Xiaowei Ren

    (Institute of Epidemiology and Health Statistics, School of Public Health, Lanzhou University, Chengguan District, Lanzhou 730000, China)

Abstract

The aim of this study was to investigate the association between female reproductive status and risk of spontaneous abortion among female workers in the Jinchang Cohort. This study used data obtained from a baseline survey of the Jinchang Cohort Study of female workers in Jinchang Industry, the largest nickel production company in China. A standardized, structured questionnaire was used to collect the health status of 18,834 female workers employed by the company from 2011 to 2013. Spearman grade correlation analysis and logistic regression models were used to evaluate the association between female reproductive status and risk of spontaneous abortion. The incidence rate of spontaneous abortion was 6.89%, and fatigue was associated with the risk of spontaneous abortion. The number of pregnancies, age at primary birth and age at the last pregnancy were associated with an increased risk of spontaneous abortion (r s = 0.190, p = 0.000; r s = 0.092, p = 0.000; r s = 0.061, p = 0.000; respectively). In addition, there was a negative correlation between the number of artificial abortions and spontaneous abortions (r s = −0.129, p = 0.000). Female reproductive status was associated with an increased risk of spontaneous abortion in this cohort. More studies are needed to confirm this observed association.

Suggested Citation

  • Xiaobin Hu & Miao Miao & Yana Bai & Ning Cheng & Xiaowei Ren, 2018. "Reproductive Factors and Risk of Spontaneous Abortion in the Jinchang Cohort," IJERPH, MDPI, vol. 15(11), pages 1-9, November.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:11:p:2444-:d:180076
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