Risk of De Novo Hypertensive Disorders of Pregnancy After Exposure to PM1 and PM2.5 During the Period From Preconception to Delivery: Birth Cohort Study

Zhichao Yuan   ^{1 *} , MPH ;   Hai-Jun Wang   ^{1, 2 *} , PhD ;   Qin Li   ¹ , PhD ;   Tao Su   ³ , PhD ;   Jie Yang   ³ , MSc ;   Junjun Chen   ⁴ , BSc ;   Yuanzhou Peng   ¹ , MSc ;   Shuang Zhou   ¹ , BSc ;   Heling Bao   ¹ , PhD ;   Shusheng Luo   ¹ , BSc ;   Hui Wang   ¹ , PhD ;   Jue Liu   ⁵ , PhD ;   Na Han   ³ , MSc ;   Yuming Guo   ⁶ , PhD ;   Yuelong Ji   ¹ , PhD

¹ Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, China

² National Health Commission Key Laboratory of Reproductive Health, Beijing, China

³ Tongzhou Maternal and Child Health Care Hospital of Beijing, Beijing, China

⁴ Department of Electrical and Computer Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, United States

⁵ Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China

⁶ Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia

*these authors contributed equally