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How does the two-child policy affect the sex ratio at birth in China? A cross-sectional study
BACKGROUND: The One-Child Policy led to the imbalance of the sex ratio at birth (SRB) in China. After that, Two-Child Policy was introduced and gradually liberalized at three stages. If both the husband and wife of one couple were the only child of their parents, they were allowed to have two childr...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7251839/ https://www.ncbi.nlm.nih.gov/pubmed/32460822 http://dx.doi.org/10.1186/s12889-020-08799-y |