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Estrogen’s Storm Season

This fiction book begins as eight frustrated midlife women—from all walks of life—meet Dr. Kailey Madrona, a woman specialist. All are in perimenopause, the long and chaotic transition to menopause. They are as different as women can be—yet they share the mysterious experiences of perimenopause, night sweats, flooding periods or mood swings. We follow these women as they consult Dr. Madrona, learn the surprising hormonal changes explaining their symptoms, get better or worse, and try or refuse therapies. As each woman lives through her particular challenge, we begin to see how we, too, can survive perimenopause!

Life Phase: 

When should I have sex to get pregnant?

This is a question from our Ask Us segment with useful answers for anyone trying to conceive


Documenting Ovulation with Quantitative Basal Temperature (QBT)

If our cycles are regular - about a month apart we assume we are ovulatory - meaning releasing an egg and making normal amounts of progesterone. However, ovulation is highly variable for all women. Progesterone raises our first morning (or basal) temperature a little bit. But so do many other things. Thus "basal body temperature" (BBT) charts, even with mid-cycle stretchy mucus (symptothermal methods) may not be accurate for predicting ovulation. Therefore we developed a valid and scientific use of basal temperature called "Quantitative Basal Temperature" (QBT) to assess ovulation and the luteal phase length (number of days of progesterone elevation).


Menstrual Cycle Diary

Use this diary if you are an adolescent or premenopausal woman.
You will need the free Adobe Acrobat Reader in order to read and print them. If you don't already have this program, you can download it for free.


Help for Anovulatory Androgen Excess (AAE)—Challenge PCOS!

Answering questions about “polycystic ovary syndrome” (also called PCOS but which CeMCOR calls Anovulatory Androgen Excess or AAE) and exploring new and helpful information about this mysterious condition.


Estrogen’s Storm Season: Stories of Perimenopause

Estrogen's Storm Season

by Dr. Jerilynn C Prior

New second edition available

Estrogen’s Storm Season is now available in BOTH print and eBook (Mobi and ePUB) versions!

All royalties support CeMCOR research.

It is full of lively, realistic stories with which women can relate and evidence-based, empowering perimenopause information. It was a finalist in 2006 for the Independent Publisher Book Award in Health.

Purchase your ebook copy via our Amazon Kindle or
Google Play storefronts!

Paperback copies (with updated insert) still available here.

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Get Involved

Volunteer research participants are the heart of all CeMCOR research. Participants are invited to provide feedback on study processes, to learn their own results and at the end of a study, be the first to hear what the whole study found. Please become a CeMCOR research participant—you can contribute to improving the scientific information available for daughters, friends and the wider world of women.