Preparation of the endometrium and timing of blastocyst transfer in modified natural cycle frozen-thawed embryo transfers (mNC-FET): a study protocol for a randomised controlled multicentre trial.
BMJ Open. 2019 Dec 15;9(12):e031811. doi: 10.1136/bmjopen-2019-031811.
BMJ Open. 2019.
PMID: 31843833
Free PMC article.