Use of Cumulative Live Birth Rate per Total Number of Embryos to Calculate the Success of IVF in Consecutive IVF Cycles in Women Aged ≥35 Years

Table 1

Clinical characteristics of the treatments according to the number of embryos transferred to reach live birth (ETRL).

	From 1–3 ETRL; (n=810)	From 4–6 ETRL; (n=392)	From 7–9 ETRL; (n=111)	More than 10; (n=31)	Overall; P
Female age (years)	37.91±2.41	37.90±2.45	37.65±2.37	37.55±2.19	0.6300
Male age (years)	39.17±4.31	39.03±4.32	38.79±3.82	39.74±3.66	0.6565
BMI (kg/m2)	23.01±3.09	23.00±2.98	23.12±3.18	23.13±3.03	0.9824
Basal FSH	9.14±3.54	8.33±2.91	7.88±2.69	7.70±2.39	<.0001
Basal E2	66.76±102.05	74.42±264.40	77.39±305.45	53.35±36.92	0.8418
Basal LH	4.13±1.75	4.08±1.71	3.82±1.78	4.04±1.75	0.3807
Basal T	0.86±3.81	0.72±3.58	0.57±1.95	0.43±0.38	0.7850
Duration of Infertility (Months)	66.02±46.90	65.96±46.92	64.52±44.95	70.23±55.54	0.9482
Dysmenorrhea					0.2178
Yes	254( 31.36%)	118( 30.10%)	30( 27.03%)	5( 16.13%)	.
No	556( 68.64%)	274( 69.90%)	81( 72.97%)	26( 83.87%)	.
Race					0.0034
Han	614( 75.80%)	328( 83.67%)	97( 87.39%)	29( 93.55%)	.
Vygur	85( 10.49%)	21( 5.36%)	5( 4.50%)	1( 3.23%)	.
Others	111( 13.70%)	43( 10.97%)	9( 8.11%)	1( 3.23%)	.