The effect of China's many-child policy on the number of births and the prevalence of serious teratogenic and disabling defects in Hunan Province

• Main Authors: Donghua Xie (Author), Jianhui Wei (Author), Aihua Wang (Author), Lili Xiong (Author), Kehan Zou (Author), Zhiqun Xie (Author), Junqun Fang (Author)
• Format: Book
• Published: BMC, 2023-11-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background To research the effect of China's many-child policy on the number of births and the prevalence of serious teratogenic and disabling defects (STDDs) in Hunan province. Methods We performed an observational study based on the Birth Defect (BD) Surveillance System of Hunan Prov...