Sentence:  He said Robins had not been in trouble with the law before and had no previous convictions. Jail would have an <WSD>adverse</WSD> effect on her and her three children as she was the main carer. 
Meaning of the word marked with <WSD> tags:  Unfavorable; antagonistic in purpose or effect; hostile; actively opposing one's interests or wishes; contrary to one's welfare; acting against; working in an opposing direction.