Michael J. Paidas, MD

Professor of Obstetrics, Gynecology, and Reproductive Sciences; Vice Chair, Obstetrics; Program Director, Maternal Fetal Medicine Fellowship; Director of the Yale Women and Children's Center for Blood Disorders and Preeclampsia Advancement; Co-Director, National Hemophilia Foundation - Baxter Clinical Fellowship Program at Yale; Division of Maternal Fetal Medicine

Physician Biography

Michael J. Paidas, M.D. is Professor of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine; Interim Chief, Section of Maternal Fetal Medicine; Interim Director, Maternal Fetal Medicine Fellowship; Interim Chief, Obstetrical Service, YNHH; Co-Director of the Yale Women and Children’s Center for Blood Disorders, and Co-Director of the National Hemophilia Foundation-Baxter Clinical Fellowship at Yale.

Dr. Paidas is the recipient of The David J. Leffell, M.D. Prize for Clinical Excellence at Yale in 2010, given to one member of the Yale Medical Group annually. In 2012, Dr. Paidas received the Dean’s Award from the Tufts Medical Alumni Association. Dr. Paidas is included in the top 1% physician by specialty in the nation according to US News and World Report. He has been recognized by the March of Dimes and is included in Best Doctors in America. Dr. Paidas has also received the National Faculty Award by the Counsel on Resident Education in Obstetrics and Gynecology.

Dr. Paidas received his medical degree from Tufts University School of Medicine in 1987 and completed his internship and residency in Obstetrics and Gynecology in 1991 at Pennsylvania Hospital. In 1993, Dr. Paidas completed a Fellowship in Maternal Fetal Medicine at the Mount Sinai School of Medicine in New York. In 2013, Dr. Paidas was awarded a Master of Arts, Honorary Degree, from Yale University.

Dr. Paidas's career in medicine has focused on women’s health with special emphasis on blood disorders, reproduction, pregnancy complications and the latter’s impact on health and disease. His activities span direct patient care, translational research and clinical trials. Dr. Paidas’s research has been supported by federal and non- federal funding agencies. His notable contributions include: description of the regulatory factors of the Protein C system; clinical use of recombinant antithrombin in disease states; elucidation of the subsequent cardiovascular and non-cardiovascular health consequences of hypertensive disorders and preterm delivery in the largest population based studies published to date.

Dr. Paidas and collaborators have described the genomic and proteomic effects of Preimplantation Factor (PIF), a novel mammalian embryo derived factor which regulates maternal receptivity to pregnancy and possesses key immune modulatory properties. Subsequent animal studies using a synthetic analogue of native PIF have shown benefit in animal models related to a variety of immune diseases, including multiple sclerosis and graft versus host disease.

Dr. Paidas is the lead Prinicipal Investigator of a multicenter preeclampsia treatment clinical trial, entitled Prospective Randomized Double-Blind, Placebo Controlled Evaluation of the Pharmacokinetics, Safety and Efficacy of Recombinant Antithrombin Versus Placebo in Preterm Preeclampsia (PRESERVE-1).

Dr. Paidas has expertise in prenatal ultrasound, invasive fetal diagnostic and therapeutic procedures. His academic profile includes over 500 published manuscripts, abstracts, books, chapters, presentations or courses.

Clinical Interests

  • Pre-Eclampsia
  • Stillbirth

Patient Care

Accepts new patients? Yes
Patient Type: Adult
Referrals: From patients or physicians

Patient Care Organizations

Obstetrics, Gynecology & Reproductive Sciences: Maternal-Fetal Medicine: High-Risk Pregnancy Program; Maternal Special Care Unit; Prenatal Diagnostic Service; Recurrent Pregnancy Loss Program | Women and Children's Center for Blood Disorders, Yale

Prenatal Laboratory

Yale Medical Group

Clinical Trials

Conditions Study Title

Edit this profile

Contact Info

Michael J. Paidas, MD
Patient Care Locations
Yale Maternal-Fetal Medicine - New LondonLawrence & Memorial Hospital
365 Montauk Avenue

New London, CT 06320
View on map...
Yale Maternal-Fetal Medicine - WaterburyWaterbury Hospital
64 Robbins Street

Waterbury, CT 06708
View on map...
Maternal-Fetal MedicineYale-New Haven Hospital
20 York Street, Ste East Pavillion 4th floor

New Haven, CT 06510
View on map...
Yale Maternal-Fetal MedicineYale-New Haven Hospital Saint Raphael Campus
1450 Chapel Street

New Haven, CT 06511
View on map...
Yale Maternal-Fetal Medicine Center1 Long Wharf Drive, Ste 2nd Floor
New Haven, CT 06511
View on map...
Mailing Address
PO Box 208063
New Haven, CT 06520-8063