Table 5.

Generalized estimated equation model predicting birth weight and gestational age.

	Unadjusted birth weight(g)			Gestational age(weeks)			Adjusted birth weight(g)
	β	Std.Error	P value	β	Std.Error	P value	β	Std.Error	P value
Good quality embryo on day 3(reference)
Poor quality embryo on day 3	-5.50	78.58	0.944	-0.15	0.27	0.579	-0.01	0.14	0.974
Good quality embryo on day 5	114.84	34.75	0.001	0.25	0.12	0.027	0.20	0.07	0.007
Poor quality embryo on day 5	82.21	86.38	0.341	0.19	0.25	0.451	0.16	0.18	0.371
Good quality embryo on day 6	73.76	33.47	0.028	-0.03	0.11	0.806	0.18	0.06	0.004
Poor quality embryo on day 6	-27.39	41.87	0.513	0.01	0.15	0.931	-0.06	0.08	0.474
Maternal age(years)	-2.59	3.18	0.417	-0.01	0.01	0.303	-0.01	0.01	0.236
Maternal BMI(kg/m2)	18.14	4.62	<0.001	-0.04	0.02	0.014	0.06	0.01	<0.001
Type of infertility
Second vs. primary infertility	23.78	27.14	0.381	-0.06	0.09	0.519	0.08	0.05	0.143
Parity
Pluriparous vs. nulliparous	24.80	47.75	0.603	-0.04	0.15	0.776	0.08	0.09	0.377
Infertility causes
Female(reference)
Male	-50.40	41.08	0.220	-0.05	0.16	0.735	-0.11	0.08	0.144
Mixed	-28.03	31.50	0.373	0.05	0.10	0.626	-0.09	0.06	0.149
Unexplained	15.39	44.54	0.730	0.25	0.13	0.056	-0.06	0.10	0.559
FET cycles rank
1(reference)
2	8.54	28.23	0.762	0.05	0.10	0.594	-0.01	0.06	0.958
≥3	-6.13	37.61	0.871	0.03	0.12	0.832	-0.02	0.08	0.753
Endometrial preparation program,
Natural cycle(reference)
Mild Stimulation cycle	-104.357	29.72	<0.001	-0.26	0.10	0.008	-0.16	0.06	0.010
Hormonal replacement cycle	-3.65	31.21	0.907	-0.13	0.10	0.203	0.06	0.06	0.371

Bold values indicate statistical significance.