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Table 4 Pregnancy outcomes following single euploid blastocyst transfer

From: Impact of inactivated SARS-CoV-2 vaccination on embryo ploidy: a retrospective cohort study of 133 PGT-A cycles in China

 

Vaccinated (n = 20)

Unvaccinated (n = 25)

P-value

Female age (years)

36.1 ± 4.7

35.9 ± 4.6

0.721

Female BMI (kg/m2)

21.7 ± 1.9

22.3 ± 2.6

0.268

Infertility duration (years)

2.1 ± 1.7

3.5 ± 3.2

0.177

Infertility type, n (%)

  

0.617

 Primary

1 (5.0)

3 (12.0)

 

 Secondary

19 (95.0)

22 (88.0)

 

Infertility diseases

 Tubal factor, n (%)

7 (35.0)

7 (28.0)

0.614

 Male factor, n (%)

4 (20.0)

2 (8.0)

0.383

 Ovulatory dysfunction, n (%)

1 (5.0)

0 (0)

0.444

 Diminished ovarian reserve, n (%)

3 (15.0)

4 (16.0)

1.000

 Endometriosis, n (%)

0 (0)

1 (4.0)

1.000

 Uterine factor, n (%)

1 (5.0)

2 (8.0)

1.000

AMH (ng/mL)

3.5 ± 2.1

3.4 ± 2.4

0.679

Antral follicle count

13.5 ± 5.8

12.8 ± 4.5

0.819

Endometrial thickness (mm)

9.9 ± 2.4

9.0 ± 1.4

0.249

Male vaccination status, n (%)

  

0.083

 Unvaccinated

7 (35.0)

16 (64.0)

 

 Partially vaccinated

1 (5.0)

2 (8.0)

 

 Fully vaccinated

12 (60.0)

7 (28.0)

 

Embryo developmental stage, n (%)

  

0.945

 Day 5

13 (65.0)

16 (64.0)

 

 Day 6

7 (35.0)

9 (36.0)

 

Expansion grade, n (%)

  

0.958

 4

17 (85.0)

22 (88.0)

 

 5

2 (10.0)

2 (8.0)

 

 6

1 (5.0)

1 (4.0)

 

Inner cell mass grade, n (%)

  

0.617

 A

0 (0)

1 (4.0)

 

 B

19 (95.0)

21 (84.0)

 

 C

1 (5.0)

3 (12.0)

 

Trophectoderm grade, n (%)

  

0.633

 A

0 (0)

1 (4.0)

 

 B

12 (60.0)

17 (68.0)

 

 C

8 (40.0)

7 (28.0)

 

Biochemical pregnancy, n (%)

16 (80.0)

19 (76.0)

0.748

Biochemical pregnancy loss, n/N (%)

1 (6.3)

4 (21.1)

0.213

Clinical pregnancy, n (%)

15 (75.0)

15 (60.0)

0.289

  1. Data are presented as mean ± standard deviation or number (percentage)
  2. BMI body mass index, AMH anti-müllerian hormone