Table 2.

Geometric means^* of maternal hormones by 25-hydroxyvitamin D concentrations and percentage change in maternal hormone concentrations per unit increase in serum 25-OHD concentrations among 106 women from the Finnish Maternity Cohort, 1983–2006

Characteristic/Hormone	Estradiol ng/mL	Progesterone ng/mL	17-OHP ng/mL	Testosterone ng/mL	Androstenedione ng/mL	IGF-1 ug/L
25-OHD concentration+
Low 25-OHD (< 34.9 nmol/L)	2.04	23.5	2.30	0.78	1.74	119.7
High 25-OHD (≥ 34.9 nmol/L)	1.84	24.1	2.29	0.75	1.74	126.3
P-value	0.34	0.69	0.99	0.64	0.98	0.48
Percentage change in maternal hormone concentrations per unit increase in serum 25-OHD concentrations
Changes (%)	−6.0	5.8	9.8	3.4	6.7	4.1
P-value	0.30	0.51	0.19	0.64	0.30	0.62

^*Adjusted for gestational age

⁺Cut-off based on the median 25-OHD concentrations among the women