Table 2 Cycle characteristics and embryological outcomes between c-IVF and ICSI group.

From: Conventional in vitro fertilization enhances preimplantation genetic testing for aneuploidy outcomes in couples with non-male factor infertility

 

c-IVF

ICSI

P value

Cases

578

578

 

Stimulation protocols, %(n)

  

0.864

PPOS

62.98%(364/578)

63.67%(368/578)

 

GnRH-A

19.20%(111/578)

17.99%(104/578)

 

GnRH-a

17.82%(103/578)

18.34%(106/578)

 

Average No. of oocyte retrieved, mean ± SD

9.35 ± 5.96

9.09 ± 6.02

0.45

Total No. of oocytes retrieved

5407

5253

 

No. of oocytes inseminated

5407

4049

 

2PN rate per inseminated oocyte, %(n)

65.88% (3562/5407)

78.46% (3177/4049)

< 0.001

2PN rate per oocytes retrieved, %(n)

65.88%(3562/5407)

60.48%(3177/5253)

< 0.001

D3 transferrable embryo rate, %(n)

76.67%(2731/3562)

74.38%(2363/3177)

0.029

Blastocyst formation rate per 2PN zygote, %(n)

51.54%(1836/3562)

48.32%(1535/3177)

0.008

Blastocyst available for biopsy per 2PN zygote, %(n)

35.60%(1268/3562)

29.46%(936/3177)

< 0.001

Blastocyst available for biopsy per oocyte retrieved, %(n)

23.45%(1268/5407)

17.82%(936/5253)

< 0.001

  1. PPOS, progesterone priming ovarian stimulation; GnRH-A, gonadotropin releasing hormone antagonist; GnRH-a, gonadotropin releasing hormone agonist; SD, standard deviation.