Most common cause of DUB is?
ANSWER: (A) AnovulatoryREF: Novaks Gynaecology 14th ed page 461DUB is the term used to describe abnormal uterine bleeding for which no specific cause has been found.It most often implies a mechanism of anovulation. Most anovulatory bleeding is a result of estrogen breakthrough.It is a diagnosis of exclusion.
Anovulatory
Ovulatory
Coagulapathy
Pregnancy related
Disorders of Ovulation - Anovulation 