Place the cycle events on the timeline

Exercise and reference answers

End

28

Start

1

Events

1. Year

   1

   Item

   Menses begins

2. Year

   6

   Item

   Proliferative phase begins

3. Year

   14

   Item

   Ovulation (LH surge)

4. Year

   15

   Item

   Secretory phase begins

5. Year

   26

   Item

   Corpus luteum degrades if no pregnancy

Instructions

Drop each event onto the day it happens in a 28-day cycle.

Explanation