Crey | Observe the following line diagram depicting the 28 days menstrual cycle of a healthy young woman. Most fertile days : 14 - 21 , Least fertile days : 1 - 7, Most fertile days : 10 - 17 , Least fertile days : 21 - 28, Most fertile days : 1 - 7 , Least fertile days : 14 - 21, Most fertile days : 21 - 28 , Least fertile days : 7

Question

Observe the following line diagram depicting the 28 days menstrual cycle of a healthy young woman.