Most women pre-menopause menstruate every month. However, a recent New Zealand study showed functional menstrual literacy is as low as 50 percent, while 38 percent of those who menstruate don’t know the normal length of a period. So what do we need to know about our menstrual cycle? And from endometriosis to hysterectomies, what do we need to know to about our uterus?  Today, Francesca and Louise are joined by Auckland-based gynaecologist and obstetrics specialist Dr Amelia Ryan.See omnystudio.com/listener for privacy information.