Health Issues

Does taking progesterone pose an increased risk for breast cancer?

I am using Prometrium 300 mg before bed, as it is the only intervention I have tried (pharmaceutical and naturopathic) that has worked. I am concerned about breast cancer, and can’t seem to find any reliable information about how bio identical progesterone would affect risk. If you are able to shed light on this, it is much appreciated.
Healing the Menstrual Cycle in PCOS

It is difficult living with PCOS or Anovulatory Androgen Excess (AAE) Current understanding PCOS is difficult to treat and can never be cured “The Pill”, combined hormonal contraceptives (CHC) of high estrogen/progestin is our best currently available and scientifically proven PCOS therapy Metformin is an important and safe medicine that acts to make insulin work…
Use of “the Pill” and Bone Changes in Adolescent Women

Science today recognizes that most new knowledge is never shared. New studies are finally funded, eventually the study is complete, the research is written, reviewed by other scientists and eventually published—all after great effort. But the people who participated in that research and others world-wide for whom the data are relevant, never learn about it.…
Why Is “The Pill” Harmful for Bones in Adolescent Women?

by Drs. Jerilynn C. Prior & Azita Goshtasebi Use of “The Pill” prevents bone growth in teenaged women. New evidence resulting from combining two-year-long studies in almost 900 adolescent women using Combined Hormonal Contraceptives (CHC) women, showed negative bone changes. Really? “The Pill” has been approved and prescribed for over 50 years. It provides high…
New PCOS Therapy Article Written for Clue by Dr. Jerilynn Prior

Illustration by Emma Günther Dr. Jerilynn Prior has written an article on PCOS Therapy for women for the period tracking app, Clue. In this article, she challenges the common treatment approaches to Polycystic Ovary Syndrome (PCOS) and makes the case for a science-backed alternative centered on restoring ovulation. Drawing from decades of clinical research and…
Frequently Asked Questions about Anovulatory Androgen (AAE, or PCOS)

Frequently Asked Questions about Anovulatory Androgen (AAE, or PCOS) Are women with AAE estrogen deficient since they often have skipped periods or amenorrhea? You would think so, since many women with far-apart periods do have low estrogen levels. But surprisingly, estrogen levels are normal or high in women with AAE. Estrogen levels are at least…
Progesterone is NOT a Progestogen/Progestin— It’s Estrogen’s Unique Biological Partner

This article was originally published in our e-newsletter. by Dr. Jerilynn C. Prior, Scientific Director, Centre for Menstrual Cycle and Ovulation Research Current lay and medical women’s health literature considers progesterone, the human hormone made by women’s ovary in the same category as its synthetic, “knock-offs”. “Progestogens. . .include both endogenous progesterone and synthetic progestogens…
The ABCs of Osteoporosis Prevention for Men with Prostate Cancer on Testosterone-Lowering Treatment

The development of prostate cancer is sufficiently frightening without also worrying about a broken bone. Those men whose prostate tumours grow in response to male hormones (like testosterone [T]) are usually treated with “androgen depletion/ablation” meaning a medicine that lowers testosterone and/or decrease its actions. Why is this an osteoporosis risk? Because testosterone both normally…
Do Fibroids Cause Heavy Flow in Perimenopause?

In this article written for Ask4UFE, Dr. Jerilynn Prior weighs in to clear up some of the popular assumptions and misconceptions about uterine fibroids and their association with heavy menstrual flow during perimenopause.
How Can I Tell I Am in Perimenopause?

What’s going on? Why can’t I sleep normally, why am I so grumpy or suddenly anxious, why am I abruptly hot and sweaty? Could I be in perimenopause? CeMCOR believes that if: —our experiences have changed (see the Table of characteristic changes) —our hormone levels have changed (scientific evidence says that perimenopausal estrogen levels are…