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Table 2 Analysis of clinical outcome

From: Effect of different artificial shrinkage methods, when applied before blastocyst vitrification, on perinatal outcomes

 

Micro-needle AS

Laser pulse AS

P

FET cycles (n)

743

809

 

Blastocyst survival rate (%)

94.05 (743/790)

95.40 (809/848)

0.221

Mean number of blastocysts thawed

1.07 ± 0.26

1.05 ± 0.21

0.096

Implantation/pregnancy rate (%, n)

54.37 (404/743)

60.82 (492/809)

0.010

Monozygotic twin rate (%, n)

1.73 (7/404)

4.07 (20/492)

0.042

Ectopic pregnancy rate (%, n)

0.74 (3/404)

1.22 (6/492)

0.707

Abortion rate (%, n)

15.84 (64/404)

15.04 (74/492)

0.741

Delivery cycles

337

412

 

Live birth cycles

336

408

 

Stillbirth cycles

1

4

 

Live birth rate (%, n)

45.22 (336/743)

50.43 (408/809)

0.040