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Table 4 Embryo grade – cycle characteristics

From: Markers of stem cells in human ovarian granulosa cells: is there a clinical significance in ART?

Characteristics

Embryo grade

p value*

Grade 3

Grade 3+2

Grade 2

Age (years)

36.00 (35.00, 37.00)

37.00 (33.00, 39.50)

33.00 (27.00, 37.00)

0.462

FSH (IU/L)

6.00 (4.90, 6.80)

7.60 (4.50, 11.40)

6.30 (6.10, 8.10)

0.607

PRL (ng/mL)

11.40 (9.30, 15.90)

6.00 (3.60, 21.90)

13.80 (4.90, 16.10)

0.581

Total gonadotropin dosage

2,700.00 (2,275.00, 3,150.00)

2,387.00 (1,525.00, 3,300.00)

4,000.00 (3,675.00, 4,050.00)

0.029

Serum estradiol, 5th day of rFSH administration (pg/mL)

546.50 (450.00, 933.00)

455.00 (250.50, 633.50)

157.00 (63.00, 309.00)

0.040

Serum estradiol peak (pg/mL)

1,967.50 (1,700.00, 2,467.00)

2,182.50 (1,385.00, 2,800.00)

1,828.00 (1,023.00, 2,022.00)

0.556

Number of oocytes retrieved

8.00 (6.00, 9.00)

8.50 (6.00, 10.50)

8.00 (4.00, 9.00)

0.713

Mature oocyte ratio (%)

71.00 (67.00, 78.00)

75.00 (63.50, 85.50)

75.00 (50.00, 78.00)

0.887

Oct-4/G6PD

0.10 (0.10, 98.20)

10.20 (3.10, 628.60)

0.20 (0.00, 0.40)

0.280

  1. *Statistical Test.
  2. Embryo grade in correlation with patients’ cycle characteristics and levels of Oct-4/G6PD genes expression.