A significant trend was observed in the proportion of fetuses delivered at ≥28 weeks gestation, decreasing over time from 27.3% in 2013 to 6.2% in 2022 ( online supplemental figure 1A , online supplemental table 2 ).
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Trends of neural tube defects in urban China and effects of socio-demographic factors, 2013-2022: a descriptive analysis.
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