Table 5.

Fetal environment and growth and arginine-stimulated insulin secretion

	Fetal environmental measure immediately before experiment				Fetal endocrine responses to environment		Fetal and placental growth
			O2 content	Plasma glucose	Plasma insulin	Plasma cortisol	Fetal weight	Placental weight	Fetal: placental weight
122 days gestation
Plasma AAN	NS	0.424	NS	NS	NS	−0.375	0.496	NS	NS
		0.031				0.069	0.043
		20				17	13
Plasma insulin	NS	NS	NS	0.457	—	NS	0.691	0.673	−0.514
				0.021			0.004	0.006	0.036
				20			13	13	13
Plasma insulin:AAN	NS	NS	NS	0.440	—	NS	0.435	0.709	− 0.612
				0.026			0.069	0.003	0.013
				20			13	13	13
AAN AUC	NS	−0.372	−0.349	NS	−0.315	NS	−0.537	−0.495	0.519
		0.059	0.072		0.095		0.036	0.051	0.042
		19	19		19		12	12	12
Insulin AUC	−0.302	NS	NS	0.390	0.556	NS	NS	0.423	NS
	0.098			0.044	0.005			0.075
	20			20	20			13
Insulin secretion	−0.394	NS	NS	0.340	0.523	NS	NS	0.431	− 0.484
	0.048			0.077	0.011			0.081	0.056
	19			19	19			12	12
140 days gestation
Plasma AAN	NS	0.650	0.650	NS	0.406	NS	0.570	NS	NS
		0.002	0.002		0.047		0.013
		18	17		18		15
Plasma insulin	NS	0.650	0.650	NS	0.406	NS	0.570	NS	NS
		0.002	0.002		0.047		0.013
		18	17		18		15
Plasma insulin: AAN	NS	0.630	0.543	0.699	—	NS	0.562	NS	NS
		0.002	0.010	< 0.001			0.012
		19	18	19			16
AAN AUC	NS	NS	NS	0.656	—	NS	NS	0.442	−0.351
				0.002				0.049	0.100
				18				15	15
Insulin AUC	NS	−0.612	−0.414	−0.619	−0.617	NS	−0.806	NS	NS
		0.003	0.049	0.003	0.003		< 0.001
		18	17	18	18		15
	0.396	NS	NS	0.720	0.590	−0.452	NS	NS	NS
	0.047			< 0.001	0.004	0.052
	19			19	19	14
Insulin secretion	NS	NS	NS	0.787	0.631	NS	0.454	0.375	NS
				< 0.001	0.002		0.045	0.084
				18	18		15	15

Data are shown as r, p, n for each correlation.