"Embryo features";"Stage I (N = 20)";"Stage II (N = 8)";"Stage III (N = 9)" "Embryo volume (mm3)";"0.101 ± 0.015";"0.136 ± 0.018";"0.179 ± 0.034" "Wet weight (µg)";"74.0 ± 12.5";"128.2 ±10.5";"173.9 ± 19.8" "Dry weight (µg)";"30.1 ± 5.3";"29.8 ± 1.5";"29.3 ± 5.2" "Water content (µg)";"43.9 ± 10.0";"98.4 ± 9.4";"144.6± 21.0" "% Water content";"59.0 ± 5.9";"76.6 ± 2.0";"82.9 ± 3.6"