Key points are not available for this paper at this time.
Joseph P. Allen, Susan Philliber, Scott Herrling, Gabriel P. Kuperminc, Preventing Teen Pregnancy and Academic Failure: Experimental Evaluation of a Developmentally Based Approach, Child Development, Vol. 68, No. 4 (Aug., 1997), pp. 729-742
Allen et al. (Fri,) studied this question.