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Table 2 Embryo culture and pregnancy outcomes of 15 patients with embryo contamination

From: Analysis of the clinical outcomes of microbial contamination caused by environmental contamination of the embryology laboratory during IVF-ET treatment cycles

No

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Age of Female

31

27

35

31

30

27

42

31

31

42

28

38

28

38

29

Age of Male

32

37

35

41

29

35

44

34

31

52

29

37

32

37

31

Insemination mode

IVF

IVF

IVF

IVF

IVF, RI

ICSI

IVF

IVF

IVF

ICSI

IVF

IVF

ICSI

IVF

IVF

Oocytes retrieved

5

20

12

14

7

11

4

8

25

4

8

18

9

13

15

2PN fertilization

3

12

5

12

5

5

2

4

18

4

4

10

9

8

10

Abnormal fertilization

1

6

1

1

2

0

1

2

5

0

2

3

0

3

3

2PN cleaved

4

18

6

13

6

6

3

6

23

3

6

13

9

11

13

High-quality embryo

0

4

3

10

2

5

2

3

12

2

3

10

7

3

9

Day of contamination

5

5

4

4

4

1

1

2

2

5

3

3

3

3

2

Total embryo contamination cycle

N

Y

N

N

N

N

N

N

N

N

N

N

N

N

N

Available embryos

1

8

3

10

5

4

2

5

16

2

4

6

6

5

10

Fresh embryo transfer

Y

N

Y

Y

Y

Y

N

Y

N

N

Y

N

Y

N

N

First embryo transfer number

1

1

2

1

2

1

2

1

1

2

1

1

1

1

1

Embryo implantation

0

1

0

1

2

1

0

1

1

0

1

1

0

0

1

Adverse pregnancy outcome

-

-

-

-

-

-

-

EP

-

-

-

-

-

-

SAB

Second embryo transfer number

-

-

1

-

-

-

-

1

-

-

-

-

1

2

1

Embryo implantation

-

-

0

-

-

-

-

1

-

-

-

-

1

1

1

Live birth

-

1

-

1

2

1

-

1

1

-

1

1

1

1

1

Gestational week

-

39 + 3

-

37

35 + 5

36 + 4

-

37 + 3

38

-

39 + 1

-

38

37 + 5

37

Low birth weight

    

Y

Y

         

Birth weight(kg)

-

3.0

-

2.9

2.0/1.8

2.5

-

2.7

4.1

-

3.6

2.7

3.2

3.4

2.8

Sex

-

F

-

F

M/M

M

-

F

F

-

M

M

M

F

F

Neonatal asphyxia

-

N

-

N

Y

N

-

N

N

-

N

N

N

N

N

Intrauterine growth retardation

-

N

-

N

Y

N

-

N

N

-

N

N

N

N

N

Fetal distress

-

N

-

N

Y

N

-

N

N

-

N

N

N

N

N

Premature rupture of membranes

 

Y

-

N

N

N

 

N

N

 

N

N

N

N

Y

Birth defect rate

-

N

-

N

N

N

-

N

N

-

N

N

N

N

N

1 year after birth

-

norm

-

norm

norm

norm

-

norm

norm

-

norm

norm

norm

norm

norm

  1. EP Ectopic pregnancy, SAB Spontaneous abortion, F Female, M Male, norm Normal, Y Yes, N No