Reproductive outcomes after letrozole stimulated versus artificial frozen-thawed embryo transfer cycles in women with PCOS and/or oligo-anovulation: a systematic review and meta-analysis
Hum Reprod Update. 2025 May 26:dmaf011. doi: 10.1093/humupd/dmaf011. Online ahead of print. ABSTRACT BACKGROUND: The global increase in frozen-thawed embryo transfer (FET) cycles has led …