1. Effects of in vitro fertilization and maternal characteristics on perinatal outcomes: a population-based study using siblings 
Jorien Seggers, M.D., Ph.D., Martina Pontesilli, M.D., Anita C.J. Ravelli, Ph.D., Rebecca C. Painter, M.D., Ph.D., Mijna Hadders-Algra, M.D., Ph.D., Maas Jan Heineman, M.D., Ph.D., Sjoerd Repping, Ph.D., Ben Willem J. Mol, M.D., Ph.D., Tessa J. Roseboom, Ph.D., Sabine Ensing, M.D. 
Fertility and Sterility 
Volume 105, Issue 3, Pages e2 (March 2016)
DOI: /j.fertnstert
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Left of vertical bar: intersibling approach: multiple comparisons of children born to four groups of mothers: NC1-NC2, IVF1-NC2, NC1-IVF2, and IVF1-IVF2. Right of vertical bar: Sibling-ship approach using mothers IVF1-NC2 and NC1-IVF2.
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions