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. 2022 Feb 15;14(4):810. doi: 10.3390/nu14040810

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Forest plots of intervention effect for binary pre-specified pregnancy outcomes by intention-to-treat, per protocol, and complete case analysis adjusted for study site and maternal pre-pregnancy BMI category. OR = odds ratio; CI = confidence interval All analyses adjusted for site (Hamilton, London) and pre-pregnancy BMI (preBMI) categories: underweight to normal weight (≤24.9), overweight (25.0–29.9), obese (≥30). Due to a very low number of events, adjusted regression analyses could not be performed on operative vaginal delivery.