Table 2.

A1C and plasma glucose values

	IAsp + NPH		Human insulin + NPH
	Randomly assigned preconception	Randomly assigned in early pregnancy	Randomly assigned preconception	Randomly assigned in early pregnancy
n	44	113	55	110
A1C (%)
First visit	7.3 ± 1.0	6.8 ± 0.7	7.1 ± 1.2	6.8 ± 0.8
First trimester visit	6.3 ± 0.7	6.3 ± 0.6	6.2 ± 0.7	6.4 ± 0.7
Second trimester visit	6.0 ± 0.7	5.9 ± 0.7	6.0 ± 0.6	5.9 ± 0.7
Third trimester visit	6.2 ± 0.5	6.0 ± 0.7	6.2 ± 0.5	6.1 ± 0.7
Follow-up (6 weeks postpartum)	6.6 ± 0.7	6.5 ± 0.9	6.6 ± 0.8	6.4 ± 0.8
Average plasma glucose (mmol/l)
First visit	7.9 ± 1.8	6.8 ± 1.7	7.9 ± 1.9	7.1 ± 1.4
First trimester visit	7.1 ± 1.6	6.6 ± 1.4	6.7 ± 1.7	6.6 ± 1.3
Second trimester visit	7.1 ± 1.2	6.7 ± 1.4	7.1 ± 1.5	6.8 ± 1.4
Third trimester visit	6.2 ± 1.0	6.2 ± 1.2	6.4 ± 1.3	6.4 ± 1.3

Data are means ± SD.