Maternal physical activity before IVF/ICSI cycles improves clinical pregnancy rate and live birth rate: a systematic review and meta-analysis.

Reprod Biol Endocrinol · 2018 · PMC5803901 · PMID 29415732

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a decreasing trendno p-value reported

Additionally, another population-based study indicated a decreasing trend in live birth rate for physical active women even though the decrease was not statistically significant.

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