Comparison of Long-Term and Stimulated Cycle Protocols in Frozen Embryo Transfer Cycles in Women with Polycystic Ovary Syndrome: A Non-Randomized Clinical Trial

Although the long-term protocol showed higher clinical pregnancy rates in unadjusted analyses, after adjusting for confounders, protocol type was not independently associated with clinical pregnancy. Larger randomized trials are needed to confirm these findings, and adverse outcomes should be assessed in future studies.