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Table 2 Total embryo outcome per experiment for different study groups

From: In vitro matured oocytes have a higher developmental potential than in vivo matured oocytes after hormonal ovarian stimulation in Callithrix jacchus

 

In vivo matured oocytes

in vitro matured oocytes

FSH + hCG

FSH-priming

FSH + hCG

FSH-priming

Total matured oocytes, n

77

20

142

195

Rate and total numbers of 2-cell embryos from matured oocytes

18% (14/77)

0% (0/20)

49% (70/142)

44% (86/195)

Rate and total numbers of 8-cell embryos from matured oocyte

6% (5/77)

0% (0/20)

21% (30/142)

28% (54/195)

Total experiments, n

20

6a

20

18

Operation type

OPU

OvH

OPU

OvH

OPU

OvH

OPU

OvH

Number of experiments by operation type (OPU/OvH)

16

4

4a

2a

16

4

12

6

Number of 8-cell embryos per experiment

0.3

0.3

0

0

1.4

1.8

2.0

5.0

  1. aIn vivo matured oocytes were used for IVF and further culture only in 6 out of 18 FSH-priming experiments, as IVF attempts were terminated for the MII subgroup once it had become obvious that these oocytes are not developmentally competent