Characteristics of scheduled bleeding manipulation with combined hormonal contraception in university students.

Background: There is a lack of information concerning the decision factors and sources of information influencing women who purposefully deviate from the prescribed use of their combined hormone contraceptives to exert elective control of their scheduled bleeding.

Study Design: A self-administered email survey of scheduled bleeding practices and beliefs was distributed to 11,900 female students at the University of Oregon. Assessment of survey participant characteristics, scheduled bleeding manipulation features and attitudes and knowledge toward hormonal contraception was analyzed.