A female experiencing her period is an example of which sexual characteristic? primary or secondary?

Habit 1: be proactive  habit 2: begin with the end in mind  habit 3: put first things first  habit 4: think win-win  habit 5: seek first to understand, then to be understood  habit 6: synergize  habit 7: sharpen the saw 

Ibelieve the main term is cholecystitis. acute is just describing the condition.