Skip to main content

Table 1 Intracytoplasmic sperm injection with cryopreserved epididymal sperm from NPYq-2 males

From: Deficiency in mouse Y chromosome long arm gene complement is associated with sperm DNA damage

Experiment

Number of oocytes injected

Number of oocytes survived (%)a

Number of oocytes activated (%)b, c

Number of oocytes cleaved (%)b

Number of two-cell embryos transferred (number of surrogates)

Number of pregnant surrogates

Number of fetuses

1

64

34 (53)

26 (76)

17 (50)

17 (1)

0

0

2

88

65 (74)

57 (72)

26 (40)

26 (2)

0

0

3

59

44 (75)

41 (93)

25 (57)

25 (2)

1

1

4

76

47 (62)

38 (81)

33 (70)

33 (2)

0

0

1-4

287

190 (66)

162 (85)

101 (53)

101 (7)

1

1

  1. Percentage was calculated from: aoocytes injected; boocytes survived. cOocytes were chemically activated with SrCl2; the oocytes were considered activated when they extruded second polar body and had two well-developed pronuclei.