What is a menstrual cycle?

Halfway through the cycle, an egg is released from one of the ovaries. As "A periodic change in the body of the sexually mature woman between puberty and menopause. The cycle has to do with egg ripening and preparing the body for possible pregnancy."

Your menstrual cycle explained, Menstrual cycle phases

Menarche, Definition, Age & Physiology - Lesson

Bloody Good Employers on LinkedIn: #menstruation #research #periodpenalty

Menstrual cycles today: how menstrual cycles vary by age, weight, race, and ethnicity – Apple Women's Health Study

Your Menstrual Cycle Phases

Menstrual Cycle A Guide to the Phases of Menstrual Cycle

The Normal Menstrual Cycle and the Control of Ovulation - Endotext - NCBI Bookshelf

ALL ABOUT MENSTRUAL CYCLES — Penda Health

Menstrual Cycle – Ultimate Guide to Periods

The menstrual cycle in women - Women's Health Matters

Menstrual cycle and exercise performance