Weight loss interventions for people who are overweight and obese undertaken before turning to IVF could increase the chances of getting pregnant naturally.

This is the conclusion of researchers from University of Oxford who reviewed 12 past studies involving nearly 2,000 patients from 1980 to May of this year.

They compared a woman's weight to how likely they were to become pregnant either without IVF (unassisted pregnancy), with IVF (treatment-induced pregnancy) and overall (unassisted plus treatment-induced)—as well as whether they delivered a live baby.

"All participants in the included studies were candidates for IVF. Before having IVF, they were offered weight loss support. The women who got pregnant naturally, ended up not needing to have IVF," study author and dietician Moscho

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