1. Maternal serum screening markers and nuchal translucency measurements in in vitro fertilization pregnancies: a systematic review 
Andrea Lanes, M.Sc., Tianhua Huang, Ph.D., Ann E. Sprague, Ph.D., Arthur Leader, M.D., F.R.C.S.C., Beth Potter, Ph.D., Mark Walker, M.D., F.R.C.S.(C.) 
Fertility and Sterility 
Volume 106, Issue 6, Pages e2 (November 2016)
DOI: /j.fertnstert
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow diagram illustrating the selection of studies into the systematic review.
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions