Skip to main content

Table 2 Characteristics of controlled ovarian hyperstimulation cycles between the two groups

From: Y chromosome AZFc microdeletion may have negative effect on embryo euploidy: a retrospective cohort study

Variable

AZFc microdeletion

Control

P value

Total gonadotropin dose (IU)

2117.89 ± 489.59

2188.07 ± 554.03

0.280

Duration of ovarian stimulation (day)

9.21 ± 1.30

8.85 ± 1.54

0.070

No. of retrieved oocytes per cycle

14.33 ± 5.62

11.17 ± 5.61

< 0.001

No. of MII oocytes per cycle

13.33 ± 5.67

10.67 ± 5.53

< 0.001

The rate of MII oocytes (%)

773/821 (94.2)

5813/6089 (95.5)

0.095

No. of 2PNs per cycle

10.86 ± 4.83

9.63 ± 5.33

0.034

Normal fertilization rate (%)

630/773 (81.5)

5251/5813 (90.3)

< 0.001

No. of blastocysts per cycle

5.07 ± 3.42

5.48 ± 3.83

0.540

Blastocysts formation rate (%)

294/626 (47.0)

2989/5171 (57.8)

< 0.001

  1. Continuous variables presented as mean ± SD. Categorical variables presented as n/N (%)
  2. Abbreviations: PN, Primary nucleus