Progesterone

Breast Cancer: Higher Progesterone Levels Tied to Increased Risk in Postmenopausal Women

-Most apparent among women with moderate to high estradiol levels, study suggests by Zeena Nackerdien PhD, CME Writer, MedPage Today 2020-05-28 Study Authors: Britton Trabert, Doug C. Bauer, et al.; Seema A. Khan Target Audience and Goal Statement: Oncologists, obstetrician-gynecologists, endocrinologists The goal of this study was to evaluate the association between circulating progesterone/progesterone metabolite levels and […]

Topical Hormone Testing – Serum, Urine, Saliva, Capillary Blood – Which is Best? VIDEO

ZRT Laboratory Presenter: David Zava, PhD. Presented on: June 18th, 2014 David Zava, PhD explains the difference between testing methods and the ideal use for each and which type of testing is ideal for each method of hormone supplementation. Click Here For the 1 hour Webinar Related Resources Reference Sheet: Guide to Hormone Testing Datasheet: About Saliva […]

The Sex Hormone System in Carriers of BRCA1/2 Mutations

Women who are carriers of BRCA1/2 mutations were found to have higher levels of circulating progesterone and estrogen compared with BRCA1/2-negative women. This may be a contributing factor to an increased risk of breast and ovarian cancer among BRCA-positive women.