Thalia Segal

MD

Fertility specialist
Reproductive endocrinologist

About me

Dr. Thalia Segal is a specialist in diagnosing and treating the causes of infertility and reproductive disorders. Her areas of expertise include fertility preservation (egg freezing), individualizing protocols for in vitro fertilization (IVF), preimplantation genetic diagnosis (checking embryos for genetic defects), polycystic ovarian disease and LGBTQ family building.

Segal has a special interest in how environmental toxins and pesticides may impact fertility and IVF outcomes. In collaboration with the Environment and Reproductive Health (EARTH) Study of the Harvard T.H. Chan School of Public Health, she studied the effects of DEET insect repellent on semen parameters. This work won an in-training travel grant from the American Society for Reproductive Medicine. With the UCSF Program on Reproductive Health and the Environment, she is currently working to investigate the effects of the 2018 Camp Fire – the most devastating fire in California history – on reproductive outcomes.

Segal earned her medical degree at Albert Einstein College of Medicine. She completed a residency in obstetrics and gynecology at Northwell Health, followed by a fellowship in reproductive endocrinology and infertility at University Hospitals Cleveland Medical Center, an affiliate of Case Western Reserve University School of Medicine.

Segal is chair-elect of the Environment and Reproduction Special Interest Group, a national organization that advocates for research, awareness and health policies on toxic chemicals in drinking water and commonly used products that may be contributing to infertility. She is a member of the American Society for Reproductive Medicine. She has authored many publications on a range of topics in reproductive medicine for leading medical journals. She has received several grants and awards for her research, which she has presented at national and international conferences.

Segal believes that everyone has a right to fertility treatments. As a member of RESOLVE, a national infertility advocacy group, she met with state representatives and their staff to promote IVF insurance coverage for every resident in California. She is also working on creating a nonprofit program to give individuals with cancer or genetic diseases access to life-changing treatments, such as fertility preservation and preimplantation genetic diagnosis.

  • Education

    Albert Einstein College of Medicine, 2011

  • Residencies

    Northwell Health, Obstetrics and Gynecology, 2015

  • Fellowships

    University Hospitals, Case Western Reserve University, Reproductive Endocrinology and Infertility, 2018

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