Supplementary Table 2

Dependent variable	Category	Estimative	p
Supplementary Table 2. Analyses of Generalized Linear Models (GLM) among the natural preparation subgroups
Birth	Natural combined^R - natural vaginal	0.88 (0.06 - 5.50)	0.356
	Natural combined^R - natural oral	0.92 (0.07 - 8.43)	0.439
	Natural vaginal^R - natural oral	1.04 (0.39 - 5.46)	0.871
Pregnancy (B-hCG+)	Natural vaginal^R - natural combined	0.98 (0.29 - 3.22)	0.97
	Natural vaginal^R - natural oral	2.35 (1.06 - 5.21)	0.03
	Natural oral^R - natural combined	0.41 (0.11 - 1.58)	0.198
Clinical pregnancy	Natural combinado® -natural vaginal	1.58 (0.16 - 15.55)	0.694
	Natural combinado® -natural oral	4.05 (0.22 - 73.87)	0.345
	Natural vaginal® -natural oral	2.56 (0.06 - 6.21)	0.401
Abortion	Natural combined^R - natural vaginal	_	_
	Natural combined^R - natural oral	_	_
	Natural vaginal^R - natural oral	0.489 (0.11 - 2.14)	0.377
Birth weight	Natural combined^R - natural vaginal	-63.62 (-487.8 - 360.6)	0.987
	Natural combined^R - natural oral	-300.73 (-751.7 - 150.2)	0.464
	Natural vaginal^R - natural oral	-237.11 (-516.9 - 42.7)	0.260
Birth weigth (37 - 39 w)	Natural combined^R - natural vaginal	-51.08 (-525.2 - 447.5)	0.995
	Natural combined^R - natural oral	-439.25 (-941.8 - 143.9)	0.288
	Natural vaginal^R - natural oral	-388.16 (-691.2 - -29.0)	0.061
Birth weigth (> 39 w)	Natural combined^R - natural vaginal	112.93 (-718.8 - 838.6)	0.980
	Natural combined^R - natural oral	-221.82 (-1089.3 - 517.2)	0.867
	Natural vaginal^R - natural oral	-334.76 (-796.7 - 104.8)	0.312

Note: CI=confidence interval; p=statistical significance; R=reference values.
p-values are adjusted using the Holm method. All analyses were controlled for age. BMI. embryonic stage. and presence of endometriosis.