Table 1

The effect of IGF-1 upon the developmental competence of in vivo fertilized mouse zygotes.

Culture medium
Total n
Zygotes arrested in one-cell to morula stage (%)
Zygotes developed to Blastocyst (%)







Blastocyst (%)
Hatched blastocyst (%)

kSOM/AA with IGF-1
106
12(11.3)
94(88.7) *







43(40.6) **
51(48.1) **

kSOM/AA without IGF-1
83
15(18.1)
68(81.9) *







31(37.3) **
37(44.6) **

IGF-1: 100 ng/ml. The results were pooled from 5 repeats of experiments. * P = 0.043 ** P > 0.05

Lin et al. BMC Cell Biology 2003 4:14   doi:10.1186/1471-2121-4-14