San Diego, CA Team

Lauren W. Sundheimer, MD, MS, FACOG is a double board-certified physician in Obstetrics and Gynecology and in Reproductive Endocrinology and Infertility. She is passionate about applying science to help patients achieve their dream of building a family. Dr. Sundheimer is an Orange County native and developed a dedication to women’s health while in medical school at University of California, Irvine. She completed her residency in Obstetrics and Gynecology at UCLA Medical Center and her fellowship in Reproductive Endocrinology and Infertility at UCLA as well. She holds a BS in Biochemistry and a BA in Political Science from University of California, San Diego, where she also completed a highly competitive joint Bachelor’s and Master’s degree program in Biology. During her medical career, Dr. Sundheimer has performed considerable research in the area of reproductive health, but her heart and focus is on providing outstanding clinical care.

Dr. Armstrong is a distinguished Reproductive Endocrinology and Infertility (REI) specialist. An Orange County native, she graduated Magna Cum Laude from the University of Southern California and earned her medical degree with honors from The George Washington University School of Medicine, in Washington, D.C.

She completed her residency training in Obstetrics and Gynecology at UCLA, elected as administrative chief resident in her final year. She further honed her expertise through a dedicated fellowship in Reproductive Endocrine and Infertility at UCLA.

Dr. Armstrong welcomes all patients at Kindbody – she empowers women to make informed decisions regarding their reproductive options. She delivers a spectrum of fertility services including assisted reproductive technologies such as intrauterine insemination (IUI), in vitro fertilization (IVF), and fertility preservation (egg/sperm freezing).

Her patient-centered practice is designed to combine positivity and enthusiasm with a passion for precision and evidence-based medicine. She aspires to build a personalized partnership over shared dreams and challenges in helping patients achieve their ultimate goal: the birth of a healthy child.

Beyond her clinical practice, Dr. Armstrong actively drives fertility research forward with her numerous peer-reviewed publications. Her specific research areas include preimplantation genetic testing, embryo mosaicism, and the impact of marijuana use on fertility. She contributes to the scientific community as an active member of various professional organizations, including the American College of Obstetricians and Gynecologists and the American Society for Reproductive Medicine.