Appetite sensations and nausea and vomiting in pregnancy: an overview of the explanations.

Crystal L Patil, Elizabeth T Abrams, Alexis R Steinmetz, Sera L Young

Journal: Ecology of food and nutrition 2012;51(5):394-417

PMID: 22881357

Abstract

We review information about the potential mechanisms underlying nausea and vomiting in pregnancy (NVP), food cravings, and/or aversions in pregnancy. In addition to providing overviews about genetic predispositions and hormonal associations with appetite sensations and NVP, we review two functional explanations: the "maternal and embryo protection" and the "placental growth and development" hypotheses. We conclude with a discussion about the kinds of data that would enable us to better evaluate the relative advantages and disadvantages of NVP across disparate resource and ecological conditions.

Address: Department of Anthropology, University of Illinois at Chicago, Chicago, Illinois 60607, USA. [email protected]

DOI: 10.1080/03670244.2012.696010

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MeSH Terms: Adaptation, Physiological, Appetite, Cultural Deprivation, Feeding and Eating Disorders, Female, Food Preferences, Humans, Maternal Nutritional Physiological Phenomena, Models, Biological, Nausea, Pica, Pregnancy, Pregnancy Complications, Vomiting