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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Reprod Toxicol. 2008 Dec 30;27(2):117–132. doi: 10.1016/j.reprotox.2008.12.005

Figure 7.

Figure 7

Analysis of time to onset of aberrant cycles in aging females in the three arms of the chronic toxicity study of genistein. Starting at 5 months, vaginal smears were taken for 5 consecutive days each month. Animals that did not show normal cycles for two consecutive months were considered to be showing aberrant cycles and were no longer sampled. Kaplan-Meier curves are shown. The inset shows the overall p value (Wald chi-square test) as well as comparisons of each exposed group curve to the control group curve.