TABLE 4.

Cleavage rates of embryos exposed for 8 days to different concentrations of DES during in vitro embryo culture.

Experimental group
			Control	0.01% DMSO	10–9 M	10–7 M	10–5 M
Cleavage	Uncleaved	Count*	47	45	43	50	31
		%	20 a	19 a	18 a	21 a	14 a
	≤8-cell	Count*	106	99	97	86	102
		%	44 a	41 a	40 a	36 a	44 a
	>8-cell	Count*	87	95	100	104	97
		%	36 a	40 a	42 a	43 a	42 a

Total count of three independent experiments (Supplementary Table S1).

^aValues within the same row with the same superscript letter are not significantly different.