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The Centre for Menstrual Cycle and Ovulation Research is an accessible research centre with a mandate to distribute information directly to women about changes through the life cycle, from adolescence to menopause. CeMCOR'S goal is to do good science that honours the voices and experiences of women. It is the only centre in North America that focuses on ovulation and the causes for and consequences of ovulation disturbances. Learn more about CeMCOR »

Recent News, Articles & Tools

COMMENT: The 23 Canadian Young Women on Yaz Died Needlessly

The death of a healthy young woman is always a tragedy (http://www.cbc.ca/news/health/story/2013/06/11/birth-control-pills-yaz-yasmin.html).  Hormonal, pill-form contraceptives (The Pill) carry real risks of dying (about 1.5 deaths per 10,000 women-years of taking them). We have to put that risk into perspective, however, because the risk of dying in pregnancy is 12/10,000 woman-years of pregnancy and of a young person dying in a car crash is about 26/10,000 women-years of car rides. What is important is that there are other safe, effective contraceptive options Read more...

NEWS: Interview - Stopping Depo-Provera

Many women experience difficulty when they stop taking Depo-Provera contraception - everything from heavy flow to amenorrhea, sore breasts, mood swings and weight gain.
In this re:Cycling blog post Laura Wershler interviews Dr. Jerilynn Prior Read more...

NEWS: LIKE our new Facebook page

We've changed our Facebook page to better represent CeMCOR. Click here and LIKE our new page! Read more...

NEWS: Perimenopause, Experiences and Bone Change - open access chapter now available

CeMCOR is excited to announce the publication of the ebook chapter - "The Endocrinology Of Perimenopause: New Definitions And Understandings Of Hormonal And Bone Changes". This work, authored by Jerilynn Prior, Georgina Hale and Vanadin Seifert Klaus is part of the recently published ebook "Current Topics in Menopause" (Bentham Science Publications). Read more...

Update - NOW RECRUITING CANADA-WIDE: Perimenopausal Hot Flush Study

Hot and botheredResearch Study Participants needed:
Hot and bothered? Are you a woman suffering from hot flushes or night sweats?
CeMCOR invites perimenopausal women 35 to 58 who have menstruated within the past 12 months to participate in our Perimenopausal Hot Flush Study. Read more...

Now Available! The Estrogen Errors: Why Progesterone Is Better for Women's Health

In this revealing work, Dr. Jerilynn Prior teams up with Susan Baxter, a medical writer, to explain the controversy over medicine prescribing estrogen for perimenopausal women in the United States, and to detail why progesterone is actually a far more effective, and a far less risk-ridden, approach. Read more...

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. Read more...
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Ask Jerilynn

I'm 46 years old and have never had any heart trouble. However, three times in the last six months I've had to go to Emergency because my heart starts jumping and racing. Two cardiologists I've seen think they should do surgery! I'm young and healthy-my periods are regular though I do have night sweats now as well as much worse cramps and heavy periods. Please help! I'm scared. Read more...

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