Skip to main content

Table 1 Outcome of ICSI after IVF failure in case-subjects

From: In Vitro fertilization failure of normozoospermic men: search for a lack of testicular isozyme of angiotensin-converting enzyme

Case subjects

Survival rate of spermatozoa 24 hours after IVF

Number of spermatozoa bounded to the ZP 24 hours after IVF

tACE expression

ICSI rank

Fertilization rate in ICSI

ICSI results

1

40–60%

5

Too weak for interpretation

1

82%

Biochemical pregnancy

2

>60%

0

+

1

89%

Pregnancy loss

2

92%

Baby: girl

3

34%

Implantation failure

3

>60%

1 à 5

+

1

100%

Implantation failure

2

66%

Implantation failure

3

50%

Biochemical pregnancy

4

0%

Fertilization failure

4

>60%

2 à 4

1

57%

Baby boy

5

>60%

0 à 5

1

100%

Baby boy

6

40–60%

2 à 5

1

77%

Baby boy

7

>60%

0 à 10

+

1

87%

Baby boy

8

>60%

1 à 3

+

1

0%

Fertilization failure

9

40–60%

0

+

1

75%

Baby girl

10

>60%

5

+

1

43%

Implantation failure