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Effect of "universal two-child" policy on population changes in Shandong province, China: an interrupted time series

Keqing Shi1, Wenhui Cui1, Shuyu Chen1

  • 1College of Public Health, Shandong Second Medical University, Weifang, China.

Frontiers in Public Health
|September 15, 2025
PubMed
Abstract

Keywords:
birthsfertility ratesinterrupted time seriessegmented regression analysisthe universal two-child policy

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