Table 1

	G1n=3	G2 n=127	G3 n=96
Table 1. Maternal epidemiological characteristics according to groups
Age (years), mean (95% CI)p-value	37 (24-50)0.3631	35 (34-36)0.0668	34 (33-35)0.0796
BMI (kg/m²), mean (95% CI)p-value	18 (15-20)0.067	22 (22-23)0.0009	28 (28-29), <0.0001
Number of attempts, mean (95% CI)p-value	2.7 (1.2-4.1)<0.0001	1.3 (1.2-1.4)<0.0001	1.2 (1.1-1.3)<0.0001

G1, group 1 (underweight); G2, group 2 (eutrophic); G3, group 3 (overweight); n, number of cycles; CI, confidence interval; BMI, body mass index.