The clinical relevance of luteal phase progesterone support in true natural cycle cryopreserved blastocyst stage embryo transfers: a retrospective cohort study.

Fertil Res Pract · 2021 · PMC7871584 · PMID 33563330

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an increasing trendno p-value reported

Introduction As of 2017, more than two thirds of all embryo transfers in the United States involve frozen-thawed embryos with an increasing trend towards freeze-thaw cycles [ 1 ].

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