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Our Physicians
The physicians at the Genetics & IVF Institute are board certified in reproductive endocrinology or medical genetics. In addition to years of clinical experience helping thousands of patients to conceive, each of our physicians are now or have been faculty members at some of America’s leading medical schools.
Our reproductive endocrinologists are backed by highly experienced, dedicated nurses and donor egg coordinators. All of our staff members are personally invested in each patient and they all work diligently towards achieving your dreams of having a baby.
- Stephen R. Lincoln, MD, FACOG
- Sunita Kulshrestha, MD, FACOG
- Laurence C. Udoff, MD, FACOG
- Harvey J. Stern, MD, PhD, FACMG, FAAP
- Donald P. Marazzo, MD, MPH, FACOG, FACMG

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Stephen R. Lincoln, MD, FACOG is board certified in obstetrics and gynecology and subspecialty board certified in reproductive endocrinology and infertility. Dr. Lincoln is an expert in the diagnosis and treatment of infertility, including intrauterine insemination (IUI), in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI), non-surgical sperm aspiration, donor egg, and advanced hysteroscopic and laparoscopic surgical procedures.
In addition to his extensive experience in clinical practice, Dr. Lincoln is the author or co-author of over 30 book chapters and peer reviewed journal articles. He is a peer reviewer of articles for Fertility and Sterility, the monthly publication of the American Society for Reproductive Medicine. Dr. Lincoln lectures at numerous national medical and scientific meetings and review courses. He also has been interviewed by national and local media on various aspects of infertility treatment.
Dr. Lincoln graduated from the University of Arkansas in 1982 with a degree in biology. He completed his medical school training at the University of Arkansas for Medical Sciences in 1986. He completed a residency in obstetrics and gynecology at East Carolina University (1990) and a fellowship in reproductive endocrinology (1992) at the University of Louisville.
Dr. Lincoln has served as a faculty member at three university medical schools: the University of Louisville, the University of Mississippi and the University of Tennessee at Memphis, where he was Director of Clinical Services of Reproductive Endocrinology and Infertility and rose to the rank of Associate Professor before joining the Genetics & IVF Institute in 1999. He is a member of several national professional organizations, including the American College of Obstetrics and Gynecology, the American Society of Reproductive Medicine, the Society of Reproductive Endocrinologists, and the American Medical Association.
Dr. Lincoln was named one of “America’s Top Obstetricians and Gynecologists” by the Consumer Research Council of America in 2007 and 2008. He was honored as one of the “Best Doctors in America” by Best Doctors in 2008, featured in Northern Virginia magazine’s January 2009 list of “Best Doctors," and featured in Northern Virginia magazine’s February 2010 list of "Top-Rated Doctors."
Dr. Lincoln provides services in infertility, Donor Egg IVF, Family Balancing, and fertility preservation for patients undergoing cancer treatment.
Watch his online video here.
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Sunita Kulshrestha, MD, FACOG graduated with honors and a bachelor’s degree in molecular biology from the Massachusetts Institute of Technology (MIT) in 1990. She pursued her medical degree at the University of Pennsylvania School of Medicine, where in 1994 she graduated in the top of her class as a member of the Alpha Omega Alpha honor society.After finishing her residency in obstetrics and gynecology at the University of Virginia, she completed a three year fellowship in reproductive endocrinology at the University of Pennsylvania School of Medicine.
Dr. Kulshrestha is board certified in obstetrics and gynecology and subspecialty board certified in reproductive endocrinology and infertility. She has expertise in the diagnosis and treatment of infertility, including in-vitro fertilization (IVF), donor egg recipiency, preimplantation genetic diagnosis (PGD), intracytoplasmic sperm injection (ICSI) and intrauterine insemination (IUI). She utilizes both her clinical experience and unique basic science background in approaches to optimize IVF success rates. She also specializes in reproductive surgery and the endocrine causes of infertility, such as polycystic ovary syndrome (PCOS).
Dr. Kulshrestha is currently an associate professor of Obstetrics and Gynecology at the Virginia Commonwealth University School of Medicine, Fairfax campus. She plays an active role in teaching reproductive endocrinology and infertility and gynecology to residents and medical students from George Washington University and Virginia Commonwealth University.
Dr. Kulshrestha has received numerous awards and honors and has presented her research at national meetings. She has published widely in both the areas of male and female infertility and basic science research, in peer-reviewed journals and in book chapters. She has been interviewed by local, national, and international radio and television programs on various topics in reproductive medicine. Dr. Kulshrestha was also featured in Northern Virginia magazine’s February 2010 list of "Top-Rated Doctors."
Dr. Kulshrestha is fluent in Hindi and familiar with Spanish. She is a member of several national professional organizations, including the American Society of Reproductive Medicine, the Society for Reproductive Endocrinology and Infertility, the Endocrine Society and the American College of Obstetrics and Gynecology.
Dr. Kulshrestha provides services in infertility, Donor Egg IVF, and Family Balancing. Watch her video here.
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Laurence C. Udoff, MD, FACOG is board certified in obstetrics and gynecology and subspecialty board certified in reproductive endocrinology and infertility. Dr. Udoff joined GIVF from the University of Maryland School of Medicine, where in addition to maintaining a clinical practice, he was Assistant Professor of Obstetrics, Gynecology and Reproductive Sciences. During his tenure at the University of Maryland, Dr. Udoff was Director of the Residency Program in Obstetrics and Gynecology and Director of the Preimplantation Genetic Diagnosis (PGD) program. He taught hundreds of students and residents. Prior to joining the Maryland faculty, Dr. Udoff practiced at the highly successful infertility program of The University of Utah School of Medicine, where he helped to establish the first PGD program in the Intermountain West.
Dr. Udoff’s special interests include PGD and methods to improve IVF outcomes. Dr. Udoff graduated Phi Beta Kappa from the University of Delaware with a degree in Biology and received his medical degree from the University Of Maryland School of Medicine. He completed his residency training in Obstetrics and Gynecology at the University of Maryland. He completed one fellowship in Reproductive Endocrinology and Infertility at the University of Maryland and another at the University of Utah.
He is a member of the American College of Obstetrics and Gynecology, the Society for Gynecologic Investigation (full member), the American Society for Reproductive Medicine, Society for Reproductive Endocrinology and Infertility and the Preimplantation Genetic Diagnosis International Society.
Dr. Udoff has been the author or co-author of numerous book chapters, abstracts and peer-reviewed articles on topics in reproductive endocrinology and infertility. Dr. Udoff speaks frequently at meetings around the country and has appeared on local and national TV to discuss infertility. He was also featured in Northern Virginia magazine’s February 2010 list of "Top-Rated Doctors." Dr. Udoff maintains his affiliation with the University of Maryland, where he serves as a Clinical Assistant Professor and shares his medical expertise with medical students and residents.
Dr. Udoff provides services in infertility, Donor Egg IVF, and Family Balancing. Dr. Udoff is also the lead physician on Donor Egg IVF and egg vitrification.
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Harvey J. Stern, MD, PhD, FACMG, FAAP joined GIVF in 1995 and is the Director of Reproductive Genetics and the Fetal Diagnostic Center. Dr. Stern has extensive experience in the evaluation of congenital malformations in the fetus and newborn and in diagnosis of genetic syndromes. He is the primary physician involved in providing amniocentesis, chorionic villus sampling, first trimester screening, and ultrasound for GIVF’s prenatal genetics program. Dr. Stern is Medical Director of Fairfax Cryobank and of GIVF’s Preimplantation Genetic Diagnosis (PGD) program. He also supervises genetic screening for GIVF’s egg donors and for Fairfax Cryobank’s sperm donors. Fairfax Cryobank is a division of the Genetics & IVF Institute. Dr. Stern also oversees GIVF’s Endocrinology Laboratory.
Dr. Stern is board certified in pediatrics and medical genetics, with subspecialty board certification in clinical, biochemical and molecular genetics. He received his undergraduate degree in cell and molecular biology from Columbia College of Columbia University and completed a PhD in Human Genetics at Columbia University College of Physicians and Surgeons. He attended medical school at the Albert Einstein College of Medicine in New York. After a residency in pediatrics at Children’s National Medical Center in Washington, DC, Dr. Stern completed a fellowship in medical genetics at UCLA.
Between 1987 and 1995, Dr. Stern was an attending physician in Medical Genetics and Laboratory Medicine at Children’s National Medical Center, where he established the Biochemical Genetics Laboratory and the first molecular (PCR) based genetic diagnostic laboratory in a pediatric hospital. Currently, Dr. Stern is an Associate Professor of Human Genetics at Virginia Commonwealth University where he teaches a course in medical genetics.
He also teaches medical students in obstetrics and gynecology at Fairfax Hospital in Fairfax, Virginia. Dr. Stern is a member of many professional organizations, including the American Society of Reproductive Medicine, the American College of Medical Genetics, and the European Society of Human Reproduction and Embryology. He also has been elected to the International Fetoscopy Group, a highly selective and prestigious group of physicians known for their exceptional skills in prenatal diagnosis and genetic medicine.
Dr. Stern provides services in Reproductive Genetics including prenatal testing by chorionic villus sampling and amniocentesis, preimplantation genetic diagnosis (PGD), First-trimester genetic screening, pre or peri-conceptual genetic counseling and testing and Level II obstetrical ultrasound.
Watch his online video here.
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Donald P. Marazzo, MD, MPH, FACOG, FACMG is Medical Director of MicroSort® in the MicroSort clinic. Dr. Marazzo completed his undergraduate degree in Biophysics at the University of Pennsylvania, where he was magna cum laude. He then graduated from Georgetown University School of Medicine, and subsequently completed a residency in Obstetrics and Gynecology. At the end of this residency, Dr. Marazzo was chosen to complete a Dreyfus Fellowship at King’s College Hospital of London in Ultrasound applied to Obstetrics and Gynecology. He then completed fellowship training in Reproductive Endocrinology, Infertility, and Genetics at the Medical College of Georgia. He is board certified in Obstetrics and Gynecology, as well as Clinical Genetics.
Dr. Marazzo had extensive experience in Assisted Reproductive Technologies while working at IVF-America in Boston. He has directed the Residents’ service in Reproductive Endocrinology and Infertility at Charity Hospital in New Orleans (LSU) and Strong Memorial Hospital (University of Rochester). He established an Interdisciplinary Recurrent Pregnancy Loss Center at Magee-Womens Hospital in Pittsburgh while completing his fellowship in Clinical Genetics and researching new methods of PGD for Duchenne Muscular Dystrophy. He completed his Masters of Public Health at the University of Pittsburgh and was invited to present his master’s thesis at the Institute of Medicine, NAS.
Dr. Marazzo has been on the faculty of two medical schools. He had been active in District III of the American College of Obstetricians and Gynecologists until he resigned as the Vice Chair of the Pennsylvania section to join the staff at the GIVF Institute. Dr. Marazzo has developed, implemented, and directed numerous clinical protocols in Gynecology, Reproductive Endocrinology, and Clinical Genetics at a variety of academic and private institutions. Dr. Marazzo was also featured in Northern Virginia magazine’s February 2010 list of "Top-Rated Doctors." |
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