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Oxford University Press makes no representation, express or implied, that the drug dosages in this book are correct. Readers must therefore always check the product information and clinical procedures with the most up to date published product information and data sheets provided by the manufacturers and the most recent codes of conduct and safety regulations. The authors and the publishers do not accept responsibility or legal liability for any errors in the text or for the misuse or misapplication of material in this work. Except where otherwise stated, drug dosages and recommendations are for the non-pregnant adult who is not breastfeeding.

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Foods, exposures, and lifestyle risk factors in pregnancy and breastfeeding 

Foods, exposures, and lifestyle risk factors in pregnancy and breastfeeding
Chapter:
Foods, exposures, and lifestyle risk factors in pregnancy and breastfeeding
Author(s):

Sir Peter Gluckman

, Mark Hanson

, Chong Yap Seng

, and Anne Bardsley

DOI:
10.1093/med/9780198722700.003.0030
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date: 24 January 2021

Advice for pregnant women on food avoidance, dangerous exposures, and inappropriate behaviours abounds on the internet and through various information sources. This chapter reviews the evidence base for such advice and clarifies issues where common advice is not supported by credible data. Foods containing potential teratogens, mutagens, or toxicants that need consideration include liver (high vitamin A), some herbal teas, contaminated grains, predatory fish, caffeine-containing foods, and various sources of foodborne infections. Exposure to environmental toxicants such as lead, pesticides, herbicides, polycyclic aromatic hydrocarbons, bisphenol-A, and other endocrine-disrupting chemicals should be avoided, as should alcohol consumption and cigarette smoking. Restrictive diets and unusual dietary cravings (pica) need to be properly managed. Evidence for harm from personal care products is generally weak, but pregnant women may choose to avoid some unnecessary exposures.

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