Popular Topics
Ovulation and menstrual cycles
Am I Skipping Periods Because of Too Much Exercise?
I'm having periods that are usually two or three months apart and my doctor says it's because I'm doing too much exercise. Read more...
Menstrual Cycle Diary Instructional Videos
In this four-part series, Dr. Jerilynn Prior, founder of the Centre for Menstrual Cycle and Ovulation Research, and a diverse panel of women discuss the importance of the menstrual cycle to a woman's overall health and Read more...
Blood Clots and the Birth Control Patch
I am almost 35 and a bit overweight so I'm concerned about blood clots with The Pill. Read more...
What does a "regular cycle" mean?
I enjoyed being part of the Menstruation and Ovulation Study and am excited to learn our results. But the menstrual cycle questions got me to thinking. Read more...
Emergency Contraception is now available over-the-counter!
What do cysts on the ovary mean?
Spotting Before Periods
Help for Anovulatory Androgen Excess (AAE)—Challenge PCOS!
Dr. Jerilynn Prior is a Professor and physician at the University of British Columbia and Celeste Wincapaw is a Vancouver woman and member of the Community Read more...
Choices for Effective Contraception in 2006
One of the remarkable advances for women in the last 50 years has been the development, scientific testing and availability of effective hormonal Read more...
We Rely On Your Support
If you find these materials helpful, and if you are able, please consider making a donation to cover our costs and support the research and education objectives of the Centre for Menstrual Cycle and Ovulation Research.

