Background: The ovaries are a female's reproductive organs that regulate the menstrual cycle and the secretion of hormones such as estrogen, progesterone, inhibin, relaxin, and others. The overabundance of eggs causes the ovary to enlarge and release high amounts of male hormone, resulting in infertility. PCOS is a hormonal condition that affects almost 5- 10% of women in their childbearing ages (12 to 45-years). In this condition, the hormones of a woman go out of balance which makes various symptoms, including anovulation, irregular menstrual cycle, difficulty conceiving, weight gain, acne, and hirsutism. Aim: To assess the maternal outcomes of PCOS and non PCOS among postnatal mother. Materials and Methods: A retrospective cohort study was carried out in St, Joseph Hospital at Puducherry. A total of 132 (PCOS 66 and NON PCOS 66) samples were selected based on the inclusion criteria through convenience sampling technique. The data were collected from medical record department using check list and collected data were analyzed by descriptive and inferential statistics. Statistical analysis was carried out using the Statistical Package for Social Sciences (SPSS, version 16). Result: The study result revealed that women with PCOS are at increased risk of adverse maternal outcomes especially Pregnancy Induces Hypertension, Gestational Diabetic Mellitus, Thyroid problem, extended labour duration, Caesarean section ,low Apgar score(<7) and NICU admission of neonatal. Conclusion: The PCOS mother needs additional periodic medical consultants during pregnancy and childbearing.