Table 2.

Correlation between oocyte morphology scores and fertilisation rates

			Granularity			Vesicles/vacuoles			Injection properties
		Overall fertilisation rate	3	2	1	3	2	1	3	2	1
			85	74	57	86	84	42	86	59	82
Granularity	3	85				88	84	57*	95**	78**	88
	2	74				74	70**	43*	68**	59**	86
	1	57				58	47*	42**	57*	42**	58*
Vesicles/vacuoles	3	86	88	74	58*				86	69**	73**
	2	84	84	70**	47*				94**	68**	76
	1	42	57*	43*	42*				45*	44**	42*
Injection properties	3	86	95**	68**	57*	86	94**	45*
	2	59	78**	59**	42**	69**	68**	44**
	1	82	88	86	58*	73**	76	42*

Figures in bold indicate the overall fertilisation rates scored for single morphological scores without the consideration of other scores. Italicised figures indicate fertilisation rates for combinations of scores. The z test was used to test for significant differences between proportions.

*p   <   0.001

**p   <   0.05