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Table 2 Day 5 and day 6 morulas and their ability for blastocyst development in the following 1 day of in vitro cultivation after freezing-thawing procedure

From: Developmental potential of surplus morulas with delayed and/or incomplete compaction after freezing-thawing procedures

 

Day 5 morulas (n = 329)

Day 6 morulas (n = 18)

M1

M2

M3

P

M1

M2

M3

P

Morula No.

54

131

144

 

0

7

11

 

BFRa, %

48/54, 88.9%

97/131, 74.0%

76/144, 52.8%

<0.001

 

3/7, 42.9%

3/11, 63.6%

NS

Topb BFR, %

35/54, 64.8%

33/131, 25.2%

13/144, 9.0%

<0.001

 

0/7 0%

1/11 9.1%

NS

  1. aBFR Blastocyst formation rate. b Top, >3AA blastocysts. NS Not significant
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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