Table 3-2. Effect of IGF-1 on embryo stage at Day 14 after ovulation in experiment 1
 Stage (%) Control n IGF-1 n
 Spherical 13.3 11 12.9 9
 Ovoid 32.5 27 32.9 23
 Tubular 33.7 28 32.9 23
 Filamentous 20.5 17 21.4 15