期刊
ARCHIVES OF GYNECOLOGY AND OBSTETRICS
卷 289, 期 2, 页码 285-291出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00404-013-2962-1
关键词
Fetal loss; Air pollution; TSP; SO2
资金
- Tianjin Science Council [07JCZDJC07400]
To examine the associations between the ambient air pollution and early fetal loss. A retrospective case-control study was conducted. 959 fetal losses and 959 normal intrauterine pregnancies within 14 weeks of pregnancy in 15 general or obstetrics and gynecology hospitals were selected into case and control groups, respectively. Data based on hospital records and national pollution monitor station records were collected. Logistic regression model was conducted to examine the associations between 4 ambient air pollutants (SO2, PM10, NO2 and TSP) exposures and fetal loss. The ratio of fetal loss to termination of pregnancy for heating months (2.28 %) was significantly (P < 0.001) higher than that for the non-heating months (1.77 %). Logistic regression suggested that fetal loss within 14 weeks was associated with higher exposure to SO2 (OR = 19.76, 95 % CI 2.34-166.71) and TSP (OR = 2.04, 95 % CI 1.01-4.13) in the first month of pregnancy. Exposure to high levels of SO2 and TSP during the first month of pregnancy was associated with an increased risk of fetal loss in early pregnancy.
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