Males with low serum levels of vitamin D have lower pregnancy rates when ovulation induction and timed intercourse are used as a treatment for infertile couples: results from a pilot study

Table 3 Characteristics of female partners in the 2 groups^a

	GROUP 1	GROUP 2	P Value
	Normal Vit D	Low Vit D	P Value
Number of Couples	36	54	n.s.
Age (years)	30.1 ± 2.57	29.5 ± 2.57	n.s.
Duration of infertility (months)	28.5 ± 4.53	29.1 ± 2.57	n.s.
Serum estradiol (pg/mL)^b	291.2 ± 31.73	293.1 ± 19.81	n.s.
Follicle diameter (mm)	18.2 ± 1.28	18.0 ± 1.34	n.s.
Body mass index (kg/m²)	20.8 ± 1.14	21.1 ± 1.37	n.s.

ISSN: 1477-7827