The optimal childbearing age and birth spacing in china: a multicenter retrospective cohort study

The age of childbearing continues to be delayed, and we are in favor of having children at relatively optimal ages and spacing.

Authors

Qingsheng Lu (ORCID: https://orcid.org/0000-0003-0262-7985)
Zhijia Zhao
Lindan Ji (ORCID: https://orcid.org/0000-0003-2043-1150)
Hui Zhu (ORCID: https://orcid.org/0009-0001-2477-900X)
Hongyi Liu (ORCID: https://orcid.org/0000-0002-8041-9789)
Yanming Chen (ORCID: https://orcid.org/0000-0002-2328-0944)
Jin Xu (ORCID: https://orcid.org/0000-0002-4745-9850)
Qiong Zhu (ORCID: https://orcid.org/0000-0001-7747-8975)
Jie Cai (ORCID: https://orcid.org/0000-0002-6473-0585)