Obesity harms a woman’s chances of conception, study shows

BMJ 2013; 347 doi: (Published 10 July 2013) Cite this as: BMJ 2013;347:f4418
  1. Zosia Kmietowicz
  1. 1London

Evidence from nearly 10 000 cycles of egg donation treatment from one of Europe’s largest in vitro fertilisation (IVF) centres has shown that women who are overweight or obese are much less likely than those of a healthy weight to have a successful implantation and to give birth.

Guidance from the National Institute for Health and Care Excellence already advises women who are obese that losing weight is likely to increase their chance of conceiving.1

But Sue Avery, director of the assisted conception unit at Birmingham Women’s Healthcare NHS Trust, said that the research specifically looked at the issue of obesity and implantation. The more evidence there is about the risks associated with obesity, the stronger the message that …

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