Ovarian cycle written in white chalk on a wall mounted blackboard.

---

Size: 4200px × 2800px
Photo credit: © Jonny White / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: black, blackboard, board, chalkboard, cycle, education, female, health, healtth, learning, lesson, menstrual, menstruation, ovarian, periods, reproductive, school, sexual, taught, teaching, understanding, womens