Dr. Samuel Santos-Ribeiro, MD PhD
Reproductive Endocrinology Advisor · Lisbon, Portugal 🇵🇹
Dr. Samuel Santos-Ribeiro is a reproductive endocrinologist at the forefront of international IVF research, based in Lisbon, Portugal. He serves as Scientific Coordinator of IVIRMA Lisbon, one of Europe's leading network of fertility clinics, and as Invited Professor at the University of Lisbon. He completed advanced clinical training through the Harvard Clinical Scholars Program, bringing Ivy League-level research methodology to his practice. Dr. Santos-Ribeiro is Associate Editor of Human Reproduction — the premier reproductive medicine journal published by Oxford University Press — a role that places him among the world's most respected peer reviewers of fertility science. He has authored over 135 peer-reviewed publications with more than 3,200 citations on ResearchGate, covering embryo transfer timing, endometrial receptivity, ovarian stimulation protocols, and fertility outcomes. His research directly informs the clinical protocols used at IVF clinics worldwide. Dr. Santos-Ribeiro reviews MakeAMom's reproductive endocrinology and IVF-related content, ensuring every article reflects current evidence from the scientific literature.
