Infertile women with a history of fertility-sparing surgery for borderline ovarian tumors: IVF outcomes and the association between IVF and tumor recurrence

Table 4 Cycle characteristics and pregnancy results from 2010 to 2023 of IVF/ICSI treatment for bots and control groups till a live birth occur or all embryos were transferred

	BOTs (N = 61)	Control (N = 181)	T (χ²)	P
Stimulation cycles	2.18 ± 0.208	2.18 ± 0.135	-0.013	0.989
Oocyte retrieval cycles	1.95 ± 0.177	1.70 ± 0.096	-1.283	0.201
Embryo transfer cycles	1.34 ± 0.155	1.25 ± 0.073	-0.585	0.559
CLBR	0.841 ± 0.131	0.789 ± 0.079	1.291	0.256
LBR per started stimulation (%)	18.0 (24/133)	22.8 (90/394)	1.350	0.245
LBR per oocyte retrieval (%)	20.2 (24/119)	29.2 (90/308)	3.594	0.058
LBR per embryo transfer (%)	29.3 (24/82)	39.6 (90/227)	2.787	0.095

Note: Continuous data are presented as mean standard error. Categorical data are presented as number (percentage)
Abbreviation: LBR, live birth rate; CLBR, cumulative live birth rate

ISSN: 1477-7827