This retrospective cohort study reveals the impact of maternal BMI on reproductive outcomes in euploid embryo transfers, suggesting the importance of weight optimization.
Maternal BMI exerts a stage-specific, non-linear influence on reproductive outcomes in euploid embryo transfers. Underweight status predominantly hinders pregnancy establishment, whereas obesity exerts a broader adverse effect across both pregnancy establishment and subsequent continuation. These findings support individualized, stage-informed counselling and highlight preconception weight optimization as a clinically actionable target to improve overall treatment success.
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Cheng et al. (2026) studied this question.
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