This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
All except one is true regarding progestin only contraceptives 
Select and explain. 
A. Also called mini pills, B. Have minimal effect on carbohydrates metabolism, C. Pill is taken on alternate days, D. High incidence of irregular bleeding
C: Pill is taken on alternate days
Answer: C: Pill is taken on alternate days 
Explanation: Pill is ideally taken daily at the same time.