TY - JOUR A1 - Hall, J.A. A1 - Benton, L. A1 - Copas, A. A1 - Stephenson, J. T1 - Pregnancy intention and pregnancy outcome: Systematic review and meta-analysis Y1 - 2017 DO - 10.1007/s10995-016-2237-0 VL - 21 IS - 3 ER -