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Table 2 Percent occurrence of three classification of blastocyst quality following the guidelines of the IETS Manual

From: Maternal selenium-supplementation at various stages of periconception period: influence on murine blastocyst morphology and implantation status

Groups

n

Actual blastocyst count (Percent Occurrence %)

Good (1)

Fair (2)

Poor (3)

Group I

12

4 (33.3)

6 (50)

2 (16.67)

Group II

15

11 (73.3)

3 (20)

1 (6.7)

Group III

13

5 (38.5)

4 (30.8)

4 (30.8)

Group IV

20

19 (95)

0

1 (5)

  1. n = number of blastocyst
  2. Percent in parenthesis
  3. Group I (Unsupplemented group), Group II (Pregestation only group), Group III (Pregestation-to-gestation group), and Group IV (Gestation only group)