Evaluation of the Effects of STZ-Induced Diabetes on In Vitro Fertilization and Early Embryogenesis Processes

Table 2

Motility grades of control and diabetic rat sperms before and after swimup.

		Before swimup					After swimup
Groups	Sample (𝑁=10)	Total sperm number	Motility grades* (%)				Total sperm number	Motility grades* (%)
			I	II	III	IV		I	II
Healthy	1	6×10^6	30	40	25	5	25×10^6	60	40
	2	18×10^6	25	40	25	10	35×10^6	60	40
	3	15×10^6	20	50	20	10	38×10^6	50	50
	4	22×10^6	20	50	20	10	40×10^6	80	20
	5	14×10^6	20	50	20	10	27×10^6	75	25
Diabetic	1	4×10^6	15	35	40	10	11×10^6	50	50
	2	4×10^6	10	30	30	30	15×10^6	60	40
	3	2×10^6	5	25	50	20	10×10^6	20	80
	4	8×10^6	10	30	40	20	14×10^6	60	40
	5	12×10^6	10	40	20	30	28×10^6	70	30

*Motility grades I: progressive motility (≥25 mM/sec, practically half of the tail of the sperm head up to 5 times, or the sperm move), II: nonlinear motility, III: nonprogressive motility (≥5 mm/second), IV: immotile.