Table 2.

Trends in singleton liveborn birth weight in women with and without GDM between 2012 and 2021.

Year	Total No.	GDM No.	Birth weight (kg)		P-value	Birth weight z score		P-value
			Non-GDM	GDM		Non-GDM	GDM
2012	8920	1539	3.164 ± 0.514	3.224 ± 0.504	< 0.001	0.039 ± 0.904	0.230 ± 0.905	< 0.001
2013	8637	1407	3.141 ± 0.530	3.149 ± 0.561	0.606	0.031 ± 0.884	0.144 ± 0.946	< 0.001
2014	10003	1501	3.145 ± 0.526	3.150 ± 0.574	0.757	-0.004 ± 0.891	0.112 ± 0.972	< 0.001
2015	10400	1650	3.158 ± 0.522	3.156 ± 0.565	0.884	-0.024 ± 0.892	0.078 ± 0.971	< 0.001
2016	11918	1951	3.177 ± 0.503	3.183 ± 0.528	0.641	0.018 ± 0.879	0.133 ± 0.913	< 0.001
2017	13819	2394	3.188 ± 0.474	3.151 ± 0.509	0.001	-0.001 ± 0.866	0.023 ± 0.905	0.232
2018	13012	2239	3.187 ± 0.475	3.183 ± 0.529	0.763	-0.019 ± 0.861	0.088 ± 0.944	< 0.001
2019	14113	2240	3.176 ± 0.469	3.169 ± 0.517	0.546	-0.06 ± 0.854	0.059 ± 0.920	< 0.001
2020	12193	2111	3.202 ± 0.459	3.173 ± 0.503	0.010	-0.006 ± 0.861	0.043 ± 0.926	0.019
2021	12082	2324	3.163 ± 0.459	3.134 ± 0.490	0.006	-0.085 ± 0.850	-0.037 ± 0.885	0.015
P-value for trend			0.045	0.019		0.027	< 0.001