Table 2 Comparison of the morphokinetic parameters and the incidence of morphological dysmorphisms and irregular cleavages among embryos classified by ploidy status

tPB2 (h)

3.37 (2.90, 4.00)

3.40 (3.30, 4.06)

3.13 (2.68, 4.23)

3.50 (3.91, 4.14)

0.275

tPNa (h)

9,73 (8.48, 11.48)

9.46 (8.21, 10.98)

9.72 (8.37, 11.67)

9.90 (8.50, 11.57)

0.204

tPNf (h)

22.38 (20.75, 23.89)

22.12 (20.72, 23.75)

22.67 (20.99, 24.47)

22.36 (20.68, 24.28)

0.339

t2 (h)

24.80 (23.12, 26.45)

24.37 (23.08, 26.14)

25.17 (23.89, 27.11)

24.80 (23.10, 26.73)

0.075

t3 (h)

35.54 (33.24, 37.77)

35.56 (33.53, 37.33)

35.93 (34.05, 38.09)

35.38 (33.14, 38.02)

0.564

t4 (h)

36.35 (34.41, 38.65)

36.41 (34.16, 38.53)

37.24 (35.19, 39.25)

36.54 (34.26, 39.10)

0.327

t5 (h)

49.27 (45.48, 52.59)

49.67 (45.91, 52.68)

49.45 (45.20, 53.04)

49.16 (45.13, 53.00)

0.888

t6 (h)

51.07 (47.45, 54.64)

51.77 (47.57, 55.01)

51.48 (48.10, 56.38)

50.82 (47.25, 54.97)

0.618

t7 (h)

53.17 (49.48, 57.36)

52.91 (48.58, 57.01)

53.96 (50.36, 59.83)

52.49 (48.47, 56.92)

0.119

t8 (h)

55.97 (51.17, 61.89)^ab

56.72 (51.47, 62.89)^ab

59.67 (52.54, 67.20)^a

55.00 (50.69, 61.09)^b

0.040

tC (h)

74.66 (66.28, 81.12)

73.33 (67.49, 809.55)

77.41 (69.17, 81.54)

73.16 (65.81, 80.23)

0.238

tM (h)

82.17 (76.89, 87.89)^ab

80.49 (74.24, 85.81)^a

84.57 (79.81, 89.95)^b

81.77 (75.70, 88.29)^ab

0.027

tSB (h)

93.31 (88.04, 100.02)

93.74 (87.89, 98.90)

97.95 (90.05, 101.93)

93.71 (88.30, 100.49)

0.135

tHB (h)

104.34 (97.96, 111.20)^a

104.90 (99.77, 113.21)^ab

110.14 (102.30, 113.51)^b

105.44 (98.94, 111.05)^ab

0.030

S2 (h)

0.50 (0.25, 1.00)

0.50 (0.25, 1.00)

0.50 (0.25, 1.25)

0.50 (0.25, 1.25)

0.775

S3 (h)

5.25 (3.00, 14.25)^ab

6.00 (3.00, 11.26)^ab

10.18 (4.34, 15.45)^a

4.50 (2.75, 10.75)^b

0.005

CC3 (h)

13.59 (12.09, 15.52)

14.02 (12.27, 15.78)

14.00 (12.25, 15.51)

13.50 (12.01, 15.25)

0.468

KIDScore

5.70 (4.70, 6.90)^b

5.50 (4.50, 6.60)^b

4.55 (4.00, 5.70)^a

5.50 (4.60, 6.50)^b

3.60E-05

MN2

0.289

 Yes

112 (29.02%)

21 (21.21%)

23 (34.33%)

106 (28.57%)

 No

274 (70.98%)

78 (78.79%)

44 (65.67%)

265 (71.43%)

Frag-2

0.177

 Yes

59 (15.28%)

14 (14.14%)

6 (8.96%)

39 (10.51%)

 No

327 (84.72%)

85 (85.86%)

61 (91.04%)

332 (89.49%)

Direct cleavage

0.500

 Yes

19 (4.92%)

4 (4.04%)

6 (8.96%)

18 (4.85%)

 No

367 (95.08%)

95 (95.96%)

61 (91.04%)

353 (95.15%)

Uneven cleavage-2

0.177

 Yes

33 (8.55%)

7 (7.07%)

10 (14.93%)

26 (7.01%)

 No

353 (91.45%)

92 (92.93%)

57 (85.03%)

345 (92.99%)

Reverse cleavage

6.63E-06

 Yes

0 (0%)

3 (3.03%)

2 (2.99%)

12 (3.23%)

 No

386 (100.00%)

96 (96.97%)

65 (97.01%)

359 (96.77%)