Preconception lifestyle interventions for women-a systematic review and meta-analysis of intervention characteristics and behaviour change techniques.

Hum Reprod Update · 2026 · PMC12766448 · PMID 40847529

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did not reach statistical significanceno p-value reported

Secondary outcomes Other fertility outcomes Lifestyle intervention may increase the odds of natural conception but this did not reach statistical significance (OR [95% CI]: 1.71 [0.99, 2.95], I 2 = 36.50%).

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