|
Normal zona (n = 19)
|
Difficult zona (n = 23)
|
Fragile zona (n = 6)
|
|
|
|
Laser
|
Conv
|
Laser
|
Conv
|
Laser
|
Conv
|
|
Percent 2pn
|
69.5 (71/106)a
|
62.9 (68/109)a
|
73.9 (125/167)a
|
75.6 (120/161)a
|
80.2 (30/38)a
|
79.4 (32/39)a
|
Percent oocyte degeneration
|
11.6 (13/106)a
|
16.1 (16/109)a
|
10.7 (18/167)a
|
9.6 (16/161)a
|
9.4 (3/38)a
|
12.5 (4/39)a
|
Cell number, day 3
|
5.6
|
5.5
|
6.0
|
5.6
|
5.1
|
4.8
|
Percent fragmentation, day 3
|
10.7
|
11.0
|
7.3
|
7.1
|
15.7
|
21.1
|
Percent compaction
|
43.2 (19/46)a
|
59.2 (29/50)a
|
57.5 (74/109)a
|
64.2 (69/102)a
|
29.2 (4/20)a
|
28.8 (9/26)a
|
Percent blastocyst
|
19.3 (7/46)a
|
30.9 (12/50)a
|
39.6 (52/109)a
|
44.7 (47/102)a
|
20.8 (3/20)a
|
17.9 (6/26)a
|
|