RT Article T1 Motherhood during the teen years. A developmental perspective on risk factors for childbearing JF Development and psychopathology SP 85 OP 100 A1 Miller-Johnson, Shari LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/163960359X K1 Kindheit K1 Adoleszenz K1 Junge Eltern