Koren, Gideon, Madjunkova, Svetlana, & Maltepe, Caroline. (2014). The protective effects of nausea and vomiting of pregnancy against adverse fetal outcome—A systematic review. Reproductive Toxicology, 47(0), 77-80. doi: http://dx.doi.org/10.1016/j.reprotox.2014.05.012

The article considered 2367 articles and selected 16 for inclusion in a meta-analysis. They found dramatically lowered rates of miscarriage and congenital defects in women who had nausea and vomiting during pregnancy (NVP), with odds ratios often at one half that of women who did not have NVP. buy Aciphex online Buy Aciphex cheap Aciphex no prescription  The study says little about the potential confounding effects in such studies, and nothing about previous work by Profet, Flaxman & Sherman and others proposing that NVP is an adaptation shaped by natural selection. Flaxman, S. M., & Sherman, P. W. (2000). Morning sickness: a mechanism for protecting mother and embryo. Quarterly Review of Biology, 113-148.

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