AUTHOR=Arik Alpcetin Secil Irem , Ince Onur , Akcay Bengisu , Cevher Akdulum Munire Funda , Demirdag Erhan , Erdem Ahmet , Erdem Mehmet TITLE=Comparison of Individualized Rescue Luteal Phase Support Strategies with Vaginal and Combined Vaginal & Subcutaneous Progesterone Administration in Artificial Frozen-Thawed Blastocyst Embryo Transfer Cycles Based on Serum Progesterone levels JOURNAL=Frontiers in Endocrinology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2024.1503008 DOI=10.3389/fendo.2024.1503008 ISSN=1664-2392