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Table 2 Summary of warming cycles of frozen donor eggs with or without blastocyst transfer *

From: Optimized protocol for cryopreservation of human eggs improves developmental competence and implantation of resulting embryos

 

Group A

Group B

Embryos for transfer

with blastocyst(s)

without blastocyst

with blastocyst(s)

without blastocyst

No. of transfers

12

8

20

3

% in the group

60

40

87

13

Mean age of recipients

44.9±5.1

38.5±5.3

40.6±4.1

37.7±4.9

Total No. of embryos transferred

24

15

38

6

Mean No. of embryos transferred

2.0±0.0

1.9±0.8

1.9±0.3

2.0±0.0

No. of clinical pregnancy (%)

7 (58.3)

2 (25.0)

14 (70.0)

1 (33.3)

No. of embryos implanted (%)

10 (41.6)

2 (13.3)

19 (50.0)

1 (16.7)

  1. *Data from same patients showed in Table  1 was analyzed.