Objective: To develop and validate a cohesive measure that can guide the doctor, psychologist and patient in identifying potential psychological problems that gynaecology and obstetrics patients suffer. Design: Top-down survey Setting: The study was conducted on gynaecology and obstetrics patients treating various gynaecological concerns at a local maternity hospital. Sample: OGDMS sample consisted of 211 gynaecology and obstetrics patients between 18 and 60 years old. Method: Top-down survey followed by an interview. Main outcome measures: OGDMS for use as an identification tool paired with psychotherapy to understand psychological distress in women. Results: The OGDMS was found to have good internal consistency and good criterion validity. Conclusion: The OGDMS proved beneficial in identifying underlying mental health concerns in women with gynaecological problems and serves as a preliminary intervention in providing proper mental health care to this population. Keywords: Obstetrics, gynaecology, distress, tool, psychology.