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Table 3 Hormone levels in study participants after and during the nutritional intervention M ± SD

From: Nine–month nutritional intervention improves restoration of menses in young female athletes and ballet dancers

  0 3 6 9 P-value
0 vs 3 3 vs 6 0 vs 6 3 vs 9 6 vs 9 0 vs 9
Ballet dancers
Eumenorrhea 0 0 1 3       
Amenorrhea 5 4 3 1       
Oligomenorrhea 16 17 17 17       
LH (mlU/mL) 3.00 ± 1.51 4.17 ± 2.29 4.63 ± 2.47 4.81 ± 1.64 NS NS NS NS NS 0.026
FSH (mlU/mL) 5.23 ± 2.32 4.95 ± 1.67 4.67 ± 2.16 4.90 ± 1.08 NS NS NS NS NS NS
E2 (pg/mL) 39.9 ± 21.7 43.7 ± 23.6 42.0 ± 20.0 42.3 ± 18.9 NS NS NS NS NS NS
P (ng/mL) 0.53 ± 0.50 0.41 ± 0.63 0.24 ± 0.12 0.25 ± 0.09 NS NS NS NS NS NS
LH to FSH ratio 0.72 ± 0.54 0.81 ± 0.49 1.03 ± 0.57 0.92 ± 0.22 NS NS NS NS NS NS
Female athletes
Eumenorrhea 0 0 4 7       
Amenorrhea 5 5 5 4       
Oligomenorrhea 26 26 22 20       
LH (mlU/mL) 3.04 ± 1.63 4.59 ± 2.53 4.67 ± 2.49 4.89 ± 1.99 0.009 NS 0.005 NS NS 0.001
FSH (mlU/mL) 5.01 ± 2.37 5.00 ± 2.08 4.99 ± 2.01 5.04 ± 1.86 NS NS NS NS NS NS
E2 (pg/mL) 36.5 ± 19.4 36.2 ± 15.3 39.2 ± 18.4 34.4 ± 11.7 NS NS NS NS NS NS
P (ng/mL) 0.54 ± 0.99 0.68 ± 0.77 0.46 ± 0.32 0.36 ± 0.38 NS NS NS NS NS NS
LH to FSH ratio 0.84 ± 0.56 0.96 ± 0.52 0.98 ± 0.49 0.97 ± 0.29 0.001 NS 0.003 NS NS 0.033
  1. 0 - before nutritional intervention, 3 – after three month of the nutritional intervention, 6 – after six month of the nutritional intervention 9 – after nine month of the nutritional intervention (post – study).