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Table 3 Linear mixed model analysis of blastocyst expansion surface measurements over time and the expansion rate, of fresh embryo transfers (SET and DET resulting in either no ongoing pregnancy or a twin ongoing pregnancy) compared between no ongoing pregnancy and ongoing pregnancy

From: Longitudinal surface measurements of human blastocysts show that the dynamics of blastocoel expansion are associated with fertilization method and ongoing pregnancy

 

Model 1a

Beta [95% CI]

µm2

Model 2a

Beta [95% CI]

µm2

Ongoing pregnancy

p-value

No ongoing pregnancy

Ongoing pregnancy

p-value

No ongoing pregnancy

Surface

829.3

[58.0 to 1600.5]

0.035

ref

795.4

[15.4 to 1575.4]

0.046

ref

 

Model 1b

Beta [95% CI]

µm2/hour

Model 2b

Beta [95% CI]

µm2/hour

Expansion rate

109.2

[15.0 to 203.6]

0.023

ref

100.9

[5.7 to 196.2]

0.038

ref

  1. Beta’s are reported as estimates in µm2 or µm2/hour. Model 1a: adjusted for tB; Model 1b: crude; Model 2a: tB and female age; Model 2b: adjusted for female age. A p-value of < 0.05 was considered significant.
  2. Abbreviations: tB time to full Blastocyst, ref reference
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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