• For unaffected women: must be female, at least 18 years old, premenopausal, able to read and speak English or Spanish, have no prior history of endometrial cancer or complex atypical hyperplasia, provide written informed consent, and have no impairments preventing interview participation.
• For affected women: must be female, at least 18 years old, able to read and speak English or Spanish, have a prior history of endometrial cancer or complex atypical hyperplasia, provide written informed consent, and have no impairments preventing interview participation.
• Healthcare providers: must be physicians or advanced practice providers in Family Medicine, Obstetrics & Gynecology, Internal Medicine, or Endocrinology, at least 18 years old, able to read and speak English or Spanish, and provide written informed consent for interviews.

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety