In In re N.F., 579 N.W.2d 338, 341 (Iowa App. 1998), a child was taken from Mother after Mother had tested positive for cocaine use at the child's birth. Mother was offered numerous reunification services, some of which she completed. Id. at 341. The court held that evidence of Mother's significant history of drug use, recent drug use, and failure to complete various reunification services was sufficient evidence to show that her drug abuse would continue for a prolonged, indeterminate period. Id. The court reasoned that Mother was incapable of sustaining sobriety or "establishing the essential support system to maintain sobriety . . ." Id.