REI

Abbreviation with 2 meanings

REI
Stands forRecreational Equipment, Inc.
Meanings2
CategoriesOrganizations & Companies, Medical

REI has two meanings. It stands for Recreational Equipment, Inc. (company and brand) or Reproductive endocrinology and infertility (medical specialty).

Meanings of REI at a glance

#REI stands forContext
1Recreational Equipment, Inc.Organizations & Companies › Company and Brand
2Reproductive endocrinology and infertilityMedical › Medical Specialty

1. Recreational Equipment, Inc.

Organizations & Companies · Company and Brand Abbreviations

American retail cooperative selling outdoor gear and clothing for camping, hiking, climbing, cycling and paddling, owned by its millions of members. Based in Washington state.

Example: I picked up a new tent and trekking poles at the REI member sale.

Founded in Seattle in 1938 by mountaineers Lloyd and Mary Anderson to buy quality climbing gear in bulk. Members pay a one-time fee and receive an annual dividend. Since 2015 it has closed its stores on Black Friday as part of its "#OptOutside" campaign.

2. Reproductive endocrinology and infertility

Medical · Medical Specialty Abbreviations

OB/GYN subspecialty treating infertility, recurrent pregnancy loss and reproductive hormone disorders, and providing assisted reproduction such as in vitro fertilization, egg freezing and intrauterine insemination. Training is a three-year fellowship after OB/GYN residency.

Example: REI referral after 12 months of trying to conceive without success.

Fertility evaluation is generally recommended after 12 months of trying for women under 35 and after six months for women 35 and older. REI physicians lead fertility clinics alongside embryologists. US clinic success rates are reported publicly through the CDC and the Society for Assisted Reproductive Technology.

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More medical specialty abbreviations

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Edited by the AbbreviationList.com team. Spotted an error or a missing meaning? Contact us.

This entry is for general education and is not medical advice. Abbreviation use varies between institutions; always confirm in context.