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Table 3 Neonatal parameters of open and closed vitrification

From: Neonatal outcomes after the transfer of vitrified blastocysts: closed versus open vitrification system

 

Open vitrification

Closed vitrification

P value

Babies born/transferred blastocysts

52/147 (35.4)

80/295 (27.1)

0.074

Male rate

29/52 (55.8)

41/80 (51.3)

0.611

Female rate

23/52 (44.2)

39/80 (48.7)

0.611

Multiple birth rate

11/41 (26.8)

10/70 (14.3)

0.103

Singletons

30

60

 

Twins

11

10

 

Stillbirth rate /transfer

1/103 (0.97)

0

0.321

  1. Values are n or n/total (%).