Have you had sexual intercourse?   Yes No   x ± SD x ± SD IGF-1 (ng/ml) 884.67 ± 39.13 823.76 ± 73.04 Estradiol (f.ph.) 81.40 ± 4.90 79.45 ± 5.30 Estradiol (l.ph.) 227.35 ± 5.80 225.23 ± 5.51 Testosterone (f.ph.) 0.37 ± 0.11 0.37 ± 0.11 Testosterone (l.ph.) 0.37 ± 0.10 0.37 ± 0.11 Progesterone(f.ph.) 1.31 ± 0.72 1.15 ± 0.45 Progesterone (l.ph.) 6.04 ± 0.86 5.96 ± 0.91 Real age of sexual debut   ≤ 18 years ≥ 18 years   x ± SD x ± SD IGF-1 (ng/ml) 872.19 ± 48.39 901.06 ± 65.27 Estradiol (f.ph.) 80.34 ± 4.70 80.45 ± 4.50 Estradiol (l.ph.) 227.52 ± 5.80 225.79±5.51 Testosterone (f.ph.) 0.37 ± 0.11 0.37 ± 0.11 Testosterone (l.ph.) 0.37 ± 0.10 0.37 ± 0.11 Progesterone (f.ph.) 1.34 ± 0.98 1.28 ± 0.91 Progesterone (l.ph.) 5.88 ± 0.55 5.73 ± 0.87 Opinion on age of sexual debut   ≤ 18 years ≥ 18 years IGF-1 (ng/ml) 836.69 ± 42.82 620.67± 46.36* Opinion on future marriage   Planning to marry Undecided IGF-1 (ng/ml) 858.40 ± 33.23 456.50 ± 66.77* Number of sexual partners   1-3 partners More than 3 partners   x ± SD x ± SD IGF-1 (ng/ml) 887.61 ± 45.03 905.09 ± 78.36 Estradiol (f.ph.) 83.65 ± 5.86 80.78 ± 3.99 Estradiol (l.ph.) 225.01 ± 4.11 225.09 ± 5.30 Testosterone (f.ph.) 0.37 ± 0.11 0.38 ± 0.16 Testosterone (l.ph.) 0.37 ± 0.11 0.38 ± 0.18 Progesterone (f.ph.) 1.37 ± 0.69 1.18 ± 0.89 Progesterone (l.ph.) 5.83 ± 0.71 5.61 ± 0.89 Contentment with gender identity   Contented Discontented   x ± SD x ± SD IGF-1 (ng/ml) 860.18 ± 34.60 1072.84 ± 37.10* Estradiol (f.ph.) 90.52 ± 4.77 70.22 ± 4.11* Estradiol (l.ph.) 236.14 ± 6.40 216.23 ± 5.7* Testosterone (f.ph.) 0.37 ± 0.11 0.37 ± 0.13 Testosterone (l.ph.) 0.36 ± 0.12 0.38 ± 0.14 Progesterone (f.ph.) 1.24 ± 0.95 1.28 ± 0.91 Progesterone (l.ph.) 5.68 ± 0.65 5.90 ± 0.83 x: Arithmetric Average; SD: Standard Deviation; *Statistically proved difference (p ≤ 0.05); l.ph.: Luteal Phase; f.ph.: Follicular Phase

Table 6: Comparison of hormone concentrations (IGF-1, estradiol, testosterone, progesterone) in the blood plasma in questions on reproductive behavior and opinions.