Pregnancy and neonatal outcomes of monozygotic twins resulting from assisted reproductive technology: a 10-year retrospective study

Table 4 Multivariate logistic regression analysis for pregnancy loss

	B	SE	P-value	Odds ratio	95% CI of odds ratio
IVF
Infertility duration	0.105	0.117	0.372	1.11	0.883 ~ 1.396
Cause of infertility	-0.367	0.32	0.251	0.693	0.370 ~ 1.297
Total dose of Gn used	0	0	0.765	1	0.999 ~ 1.001
History of miscarriages	0.525	0.973	0.589	1.69	0.251 ~ 11.369
Number of miscarriages	-0.552	0.584	0.344	0.576	0.183 ~ 1.808
ICSI
Infertility duration	-0.849	0.624	0.174	0.428	0.126 ~ 1.455
Total dose of Gn used	-0.001	0.001	0.566	0.999	0.997 ~ 1.002
PGT
Infertility duration	0.086	0.131	0.513	1.09	0.843 ~ 1.409
Cause of infertility	0.137	0.355	0.7	1.147	0.572 ~ 2.302
Total dose of Gn used	-0	0	0.943	1	0.999 ~ 1.001
History of miscarriages	-0.252	0.999	0.801	0.777	0.110 ~ 5.506
Number of miscarriages	0.395	0.325	0.224	1.485	0.785 ~ 2.808
TESA
Infertility duration	0.195	0.247	0.428	1.216	0.750 ~ 1.971
Total dose of Gn used	0.001	0.001	0.509	1.001	0.998 ~ 1.004

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