Laser-assisted hatching in lower grade cleavage stage embryos improves blastocyst formation: results from a retrospective study

Table 3 The related factors influence the blastocyst formation

	B	S.E	Sig	OR	95% CI
	B	S.E	Sig	OR	Lower	Upper
Blastocyst formation
Female age	-0.013	0.007	0.073	0.987	0.973	1.001
BMI	-0.030	0.012	0.009	0.97	0.949	0.993
No. of oocyte	0.013	0.005	0.004	1.013	1.004	1.022
LAH performed	0.201	0.066	0.002	1.223	1.074	1.393
Fertilization protocol	-0.116	0.068	0.089	0.891	0.780	1.018
Usable blastocyst formation
Female age	-0.015	0.010	0.149	0.985	0.966	1.005
BMI	-0.045	0.016	0.006	0.956	0.927	0.987
No. of oocyte	0.014	0.007	0.038	1.014	1.001	1.027
LAH performed	0.478	0.098	< .0001	1.613	1.331	1.955
Fertilization protocol	-0.265	0.105	0.012	0.767	0.624	0.943
Good blastocyst formation
Female age	-0.012	0.017	0.464	0.988	0.956	1.021
BMI	-0.054	0.026	0.037	0.947	0.900	0.997
No. of oocyte	0.042	0.009	< .0001	1.043	1.025	1.060
LAH performed	0.251	0.155	0.107	1.285	0.948	1.742
Fertilization protocol	-0.145	0.167	0.383	0.865	0.624	1.199

ISSN: 1757-2215