Association between maternal glucose levels during pregnancy and gestational diabetes mellitus: an analytical cross-sectional study

Table 3 Maternal fasting plasma glucose levels per trimester, birth weight and mode of delivery (Rio de Janeiro, Brazil - 1999 and 2008)

*Weight at birth (Kg)*	*Fasting plasma glucose in the first trimester (mg/dL)*				*Fasting plasma glucose in the second trimester (mg/dL)*				*Fasting plasma glucose in the third trimester (mg/dL)*
*Weight at birth (Kg)*	N	Mean	SD	p	N	Mean	SD	p	N	Mean	SD	p
Underweight	9	76.1	10.2	0.585	15	78.7	12.3	0.005	8	82.6	14.7	0.545
Normal	286	79.3	10.3		412	78.8	9.9		342	78.7	10.6
High (macrosomia)	15	78	7.6		24	86.2	19.7		21	80	11.6
Post-hoc (p)						86.2 > 78.8 (0.003)
*Mode of delivery*
Vaginal	173	78.8	9.4	0.582	244	78.0	9.3	0.039	194	77.1	10.0	0.007
Cesarean	139	79.4	11.0		218	80.4	11.5		193	80.4	10.9
Forceps	15	76.6	12.6		18	77.9	12.5		15	80.1	11.4
Post-hoc (p)						80.4 > 78.0 (0.034)ª				80.4 > 77.1 (0.005)^b

p = Post-hoc.
^aFasting plasma glucose in the second trimester; ^bfasting plasma glucose in the third trimester.

ISSN: 1758-5996