ClareM/Shutterstock September 1, 2024 We found teenage girls don’t know vulvas from vaginas or when their menstrual cycle starts Felicity Roux, Curtin University; HuiJun Chih, Curtin University; Jacqueline Hendriks, Curtin University, and Sharyn Burns, Curtin University Fewer than one in ten teen girls surveyed could identify when ovulation happens in a menstrual cycle – even though many of them had had their period for years.
