Objective To investigate the fertility level of registered population in Baoshan District,Shanghai Municipality and the incidence of adverse birth outcomes of live births from 2013 to 2022,so as to provide the evidence for improv-ing maternal and child health care strategies.Methods The data pertaining to live births registered in Baoshan District from 2013 to 2022 were collected through the Shanghai Birth Medical Information System,including the basic informa-tion of live births and maternal fertility.The indicators such as fertility level,parity,birth age and incidence of adverse birth outcomes of live births were descriptively analyzed.The trend of crude birth rate and total fertility rate was ana-lyzed by annual percent change(APC).Results A total of 56 719 live births were registered in Baoshan District from 2013 to 2022.The crude birth rate was 6.54％o,the total fertility rate was 31.78％o,and the sex ratio at birth was 105.61.The crude birth rate showed a downward trend from 2016 to 2022(APC=-11.054％,P＜0.05),and the total fertil-ity rate showed a downward trend from 2017 to 2022(APC=-10.377％,P＜0.05).The proportion of second parity and above showed an increasing trend from 2013 to 2017(P＜0.05)and a decreasing trend from 2017 to 2022(P＜0.05).The maternal childbearing age showed an increasing trend from 2013 to 2022(P＜0.05),the incidence of premature infants and low birth weight infants showed an increasing trend(both P＜0.05).The incidence of premature infants and low birth weight infants increased with the rising childbearing age(both P＜0.05).Conclusions The fertility level in Baoshan Dis-trict was relatively low from 2013 to 2022.The proportion of second parity and above showed an upward trend followed by a downward trend.The incidence of premature infants and low birth weight infants increased with the rising childbear-ing age.
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