Dr. Jan Rydfors, MD
Concierge OBGYN physician, Redwood City, CA
Freyja Clinic by Dr. RydforsDr. Jan Rydfors founded the Freyja Early Pregnancy Loss Clinic and developed the Freyja Protocol.
Facts on this page last checked October 2026. How we check doctors
About Dr. Rydfors
Dr. Rydfors earned his medical degree and did his specialization training at Stanford University Medical Center. He did his residency at Stanford University Hospital. He is an adjunct clinical assistant professor at Stanford University Medical Center.
He founded the Freyja Early Pregnancy Loss Clinic. He developed the Freyja Protocol, a multidisciplinary integrative reproductive immunology program to prevent recurrent miscarriages and solve unexplained infertility. He stopped doing deliveries after October 1, 2024, but he continues to see pregnant patients through the first trimester.
He created the Handbook in Obstetrics, Gynecology and Infertility and is still a co-author of it. It is now in its sixth edition. He is a co-founder of Bonafia, an AI company that uses retinal imaging to evaluate chronic systemic inflammation. He also founded EmbraceHerhealth, which makes the Pregnancy Companion mobile app, and is Chief Medical Advisor for the American Pregnancy Association.
Membership and fees
Fees are not published. Ask the practice.
Services
Education and credentials
Hospital and practice affiliations
Location
Recognition and research
Publications
Patient reviews
"Always gave time to fully discuss my health concerns."
"Took time to explain how each medicine would help."
"Helped me understand the entire medicine plan clearly."
Questions patients ask
Where did Dr. Rydfors train?
Dr. Rydfors earned his medical degree and did his specialization training at Stanford University Medical Center. He did his residency at Stanford University Hospital.
What is the Freyja Protocol?
The Freyja Protocol is a multidisciplinary integrative reproductive immunology program developed by Dr. Rydfors. It aims to prevent recurrent miscarriages and solve unexplained infertility.
Does Dr. Rydfors still deliver babies?
Dr. Rydfors stopped doing deliveries after October 1, 2024. He continues to see pregnant patients through the first trimester.
What languages does Dr. Rydfors speak?
Dr. Rydfors is fluent in French, Spanish and Swedish and proficient in Mandarin.
Similar doctors nearby
Lillian Swiersz, MD
Concierge Reproductive Endocrinology and Infertility
Redwood City
Malinda Lee, MD
Concierge Reproductive Endocrinology and Infertility
Menlo Park, 3.7 mi
Isiah Harris, MD
Concierge Reproductive Endocrinology and Infertility
Menlo Park, 3.7 mi
Arlene Morales, MD
Concierge Reproductive Endocrinology and Infertility
Foster City, 7.3 mi
Are you Dr. Rydfors? Claim this profile for free. Report a correction.
