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Fertility Glossary

Reproductive endocrinologist

An obstetrician-gynaecologist with extra training in fertility and hormone disorders.

Fertility basics

In Canada, a reproductive endocrinologist and infertility specialist has completed residency in obstetrics and gynaecology followed by subspecialty training in reproductive endocrinology and infertility. They lead fertility assessment and treatment, including IUI and IVF. Access is usually by referral from a family physician, nurse practitioner or gynaecologist.

Also known as: REI, fertility doctor, fertility specialist

Sources

  • Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
  • Canadian Fertility and Andrology Society (CFAS)

Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.

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