Observational, Bi-directional (Prospective and Retrospective) Study for Patients With Newly Diagnosed Ovarian Cancer Stages IA to IVB, or Persistent or Recurrent Disease From January 2021; Irrespective of Histology

This is an observational study — no experimental treatment is involved. Researchers are collecting data on women diagnosed with ovarian cancer (any stage) since January 2021 to better understand how the disease is managed in the real world and what factors affect outcomes over time. **You may be eligible if...** - You are 18 years or older - You have been diagnosed with ovarian cancer (any stage, from stage IA to IVB) since January 2021, or have persistent or recurrent disease - Any type of ovarian cancer histology is accepted **You may NOT be eligible if...** - Your ovarian tumor is classified as borderline (not fully cancerous) - You are pregnant - You have had another cancer in the past 5 years (except thyroid cancer or non-melanoma skin cancer) Talk to your doctor to see if this trial is right for you.