Improving Shared Decision-Making in Menstrual Management and Contraception for Adolescents and Young Adults

Inclusion Criteria: * adolescents and young adults aged 12-25 years old * presenting to an outpatient consultation at "Unité de policlinique de gynécologie" or "Consultation de gynécologie pédiatrique" at HUG * considering initiation or switch to hormonal medication for menstrual management and/or contraception * able to give informed consent as documented by signature or accompanied by a legal guardian who can provide consent if required. Exclusion Criteria: * individuals who cannot read and understand French to a degree that would prevent participation in informed consent and study-related materials. * individuals who have major sensory disability, such as visual or hearing impairment, that would compromise their ability to give written informed consent and use the EDA, in the absence of their legal guardian. * individuals with cognitive or psychiatric conditions significantly impairing decision making capacity, unless accompanied by a legal guardian. * patients currently participating in another clinical trial related to contraceptive decision-making, to avoid potential interference.