1. Differences in infant feeding practices by mode of conception in a United States cohort 
Kara A. Michels, Ph.D., M.P.H., Sunni L. Mumford, Ph.D., Rajeshwari Sundaram, Ph.D., Erin M. Bell, Ph.D., Scott C. Bello, M.D., Edwina H. Yeung, Ph.D. 
Fertility and Sterility 
Volume 105, Issue 4, Pages e1 (April 2016)
DOI: /j.fertnstert
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2. Supplemental Figure 1
This directed acyclic graph depicts the relationship between fertility treatment and breast feeding as described in our mediation analyses. A direct effect from treatment to breastfeeding is indicated in gray, and an effect mediated by preterm birth is represented by dotted lines. Also see VanderWeele et al. (22). NICU = neonatal intensive care unit.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
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