Reproductive endocrinologists (REI) are highly trained and qualified obstetrician-gynecologists with special training in fertility and reproductive health. REIs treat reproductive disorders that affect patients of all ages and play a crucial role in fertility preservation among newly diagnosed cancer patients.

Your REI will conduct an individualized consultation to determine the best and most mature technology available for you and your unique circumstances.  A REI can offer you the following services:

  • Fertility evaluation
  • Fertility preservation prior to cancer treatment
    • Embryo cryopreservation
    • Oocyte cryopreservation
    • Ovarian tissue cryopreservation
    • Sperm cryopreservation
    • GnRH analog treatment
  • Options to build a family after cancer treatment
  • Preimplantation Genetic Diagnosis (PGD) for individuals with hereditary cancer syndromes or other genetic conditions that affect fertility


Fertilty Preservation Options

Fertility Preservation Fact Sheets

Community Resources

Online Resources


If you have a specific fertility-related question or would like a referal for a fertility preservation consultation, call the Oncofertility Consortium® FERTline at 312-503-FERT or 866-708-FERT to speak with a patient navigator and find a reproductive endocrinologist near you.


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