<qa>  What is the potential risk for adverse events in nursing infants secondary to treatment of the mother with- Pregnant women are excluded from this study because GO-203-2c is an agent with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with GO_203-2c, breastfeeding should be discontinued if the mother is treated with GO-203-2c. These potential risks may also apply to other agents used in this study. 