Embryological Characteristics and Clinical Outcomes of Oocytes with Heterogeneous Zona Pellucida During Assisted Reproduction Treatment: A Retrospective Study

22 October 2020: Clinical Research

Chengshuang Pan ^BCEF , Huan Zhang ^ADF*

DOI: 10.12659/MSM.924316

Med Sci Monit 2020; 26:e924316

Table 4 Multivariate analysis of the main outcome (pregnancy or not) in IVF cycles.

	Univariate analysis			Multivariate analysis
	OR	95% CI	P value	OR	95% CI	P value
Female age	0.895	0.855–0.936		0.916	0.873–0.962
Duration of infertility	0.918	0.855–0.985	0.017	0.951	0.880–1.027	0.201
BMI	1.044	0.979–1.114	0.190
Diagnosis
Primary infertility	Reference
Secondary infertility	0.791	0.528–1.186	0.257
No. of retrieved oocytes	1.061	1.026–1.097	0.001	0.913	0.788–1.059	0.229
No. of MII oocytes	1.074	1.035–1.114		1.132	0.961–1.334	0.139
HZP
Normal	1.211	0.379–3.874	0.747
HZP	Reference
No. of ET embryos	1.306	0.931–1.831	0.122
No. of D3 high-quality embryos	1.205	1.098–1.323		1.120	1.004–1.249	0.043
ICSI – intracytoplasmic sperm injection; HZP – heterogeneous zona pellucida; BMI – body mass index; ET – embryo transfer; No. – number; OR – odds ratio; CI - confidence interval. P