Greigh Hirata, MD
Medical Director
Maternal Fetal Medicine
Boarded Medical Geneticist

Bruce Chen, MD
Maternal Fetal Medicine



A Maternal-Fetal medicine sub-specialist is an individual who has completed two to three years of Maternal Fetal medicine fellowship after completing four years of OB/GYN residency upon graduation from medical school. By virtue of this training and technical proficiency, the MFM provides care or consultation for both mother and fetus in a complicated pregnancy. A MFM has advanced knowledge of the obstetrical, medical, genetic and surgical complications of pregnancy and their effects on both the mother and fetus. In addition, he/she provides education and research concerning the most recent approaches to the diagnosis and treatment of obstetrical problems.

It is recognized that many OB/GYNs are also qualified by training and experience to manage complicated pregnancies. MFMs are complementary to obstetricians in providing consultations, co-management for complicated patients before and during pregnancy.

A clinical geneticist demonstrates competence in providing comprehensive diagnostic and management services for individuals and families at risk for clinical disorders with a genetics basis. Training in medical genetics is two to four years. Board certification is also required.
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