The impact of maternal lifestyle factors on periconception outcomes: a systematic review of observational studies Elsje C. Oostingh, Jennifer Hall, Maria P.H. Koster, Bola Grace, Eric Jauniaux, Régine P.M. Steegers-Theunissen Reproductive BioMedicine Online Volume 38, Issue 1, Pages 77-94 (January 2019) DOI: 10.1016/j.rbmo.2018.09.015 Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions
Figure 1 Prisma flowchart of included and excluded studies. Reproductive BioMedicine Online 2019 38, 77-94DOI: (10.1016/j.rbmo.2018.09.015) Copyright © 2018 Reproductive Healthcare Ltd. Terms and Conditions