Maternal Age, Parity and Isolated Birth Defects: A Population-Based Case-Control Study in Shenzhen, China

• Ya Li Luo ,

  Contributed equally to this work with: Ya Li Luo, Yu Li Cheng

  Affiliations Department of Epidemiology, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China, Department of Health Care, Baoan Maternal and Child Health Hospital, Shenzhen, China

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• Yu Li Cheng ,

  Contributed equally to this work with: Ya Li Luo, Yu Li Cheng

  Affiliation Department of Health Care, Baoan Maternal and Child Health Hospital, Shenzhen, China

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• Xiao Hui Gao,

  Affiliation Department of Health Care, Shenzhen Maternal and Child Health Hospital, Shenzhen, China

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• Shu Qin Tan,

  Affiliation Department of Epidemiology, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China

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• Jian Mei Li,

  Affiliation Faculty of Women's Health, Baoan Maternal and Child Health Hospital, Shenzhen, China

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• Wei Wang,

  Affiliation Department of Health Care, Baoan Maternal and Child Health Hospital, Shenzhen, China

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• Qing Chen

  * E-mail: QingChen_smu@163.com

  Affiliation Department of Epidemiology, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China

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