Table 1.

Effects of anti-NEDL2 antibody microinjection into oocytes on fertilization, pronuclear formation, and embryo development in vitro.

Hours post-IVF		Treatment
	Parameters	Control (n)	NEDL2 AB (n)
21 h	% of oocytes fertilized	92.8 ± 1.9 (219)	91.5 ± 1.9 (232)
	% of oocytes formed pronucleus	96.0 ± 2.2	91.2 ± 2.2
	% of oocytes fertilized but no pronucleus formed	4 ± 1.8a	12.9 ± 1.8b
	# of spermatozoa penetrated oocyte	4.2 ± 0.2	4.1 ± 0.2
	# of pronuclei in oocyte	4.2 ± 0.1a	2.8 ± 0.1b
	% of monospermic fertilization	5.6 ± 1.6a	12.9 ± 1.6b
48 h	% of oocytes cleaved	52.2 ± 8.4 (172)	55.7 ± 8.4 (154)
168 h	% of blastocysts formed	14.2 ± 4.3	7.9 ± 4.3

^a,bMeans with the column with different superscripts differ (P < 0.05).