Association Between P<sub/>articulate Matter Exposure and Preterm Birth in Women With Abnormal Preconception Thyrotropin Levels: Large Cohort Study
oleh: Ting Xu, Haobo Ni, Xiaoyan Cai, Tingting Dai, Lingxi Wang, Lina Xiao, Qinghui Zeng, Xiaolin Yu, Lu Han, Pi Guo
| Format: | Article |
|---|---|
| Diterbitkan: | JMIR Publications 2024-08-01 |
Deskripsi
Abstract BackgroundPrior research has linked exposure to particulate matter with an aerodynamic diameter of ≤2.5 μm (PM2.52.5 ObjectiveThis study aimed to assess whether preconception TSH levels modulate the impact of PM2.5 MethodsThis cohort study was conducted in Guangdong, China, as a part of the National Free Pre-Pregnancy Checkups Project. PM2.52.52.5 ResultsA total of 633,516 women who delivered between January 1, 2014, to December 31, 2019, were included. In total, 34,081 (5.4%) of them had abnormal preconception TSH levels. During the entire pregnancy, each 10-μg/m32.52.5 ConclusionsPM2.52.5