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Twin chorionicity and zygosity both vary with maternal age.
Yeaton-Massey A, Sparks TN, Norton ME, Jelliffe-Pawlowski L, Currier RJ. Yeaton-Massey A, et al. Among authors: norton me. Prenat Diagn. 2021 Aug;41(9):1074-1079. doi: 10.1002/pd.5997. Epub 2021 Jun 27. Prenat Diagn. 2021. PMID: 35280337 Free PMC article.
Risk of critical congenital heart defects by nuchal translucency norms.
Jelliffe-Pawlowski LL, Norton ME, Shaw GM, Baer RJ, Flessel MC, Goldman S, Currier RJ. Jelliffe-Pawlowski LL, et al. Among authors: norton me. Am J Obstet Gynecol. 2015 Apr;212(4):518.e1-10. doi: 10.1016/j.ajog.2014.10.1102. Epub 2014 Oct 30. Am J Obstet Gynecol. 2015. PMID: 25448520
249 results