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Table 8 Clinical outcome of different quality blastocysts

From: Laser-assisted hatching in lower grade cleavage stage embryos improves blastocyst formation: results from a retrospective study

 

Transfer Good grade blastocyst

 

Transfer sub-optimum blastocyst

 

Cycles

(n)

Age

(yrs)

No. of

blastocyst

PR

(%)

IR

(%)

MR

(%)

OPR

(%)

Cycles

(n)

Age

(yrs)

No. of

blastocyst

PR

(%)

IR

(%)

MR

(%)

OPR

(%)

LAH group

40

30.5 ± 4.3

1.4 ± 0.5

67.5(27/40)

54.7

(29/53)

18.5

(5/27)

55.0

25

31.9 ± 4.2

1.5 ± 0.5

24.0

(6/25)

16.2

(6/37)

1/6

20.0

N-LAH group

29

31.6 ± 3.6

1.3 ± 0.5

51.7(15/29)

45.9

(17/37)

6.7

(1/15)

48.3

19

30.3 ± 4.3

1.6 ± 0.5

15.8

(3/19)

12.9

(4/31)

1/3

10.5

P

 

0.242

0.472

0.218

0.413

0.293

0.581

 

0.238

0.327

0.710

0.701

 

0.566

  1. LAH Laser assisted hatching, N-LAH Non laser assisted hatching, PR pregnancy rate, IR implantation rate, MR miscarriage rate, OPR ongoing pregnancy rate