Lighter Flow Heavier Flow
Virgin 1 1
Teenager 1 1 or 2
A young woman has not given birth 1 2
A young woman has given birth 1 or 2 2
An adult woman has not given birth 2 (or 1) 2
An adult woman has given birth 2 (or 1) 2
Short vagina (you can easily reach your cervix with your finger) 1 1
An active sportswoman, e.g. pilates, yoga 1 1