STAT3 and polycystic ovary syndrome: The expression and activation of androgen receptor (AR), Signal Transducer and Activator of Transcription 3 (STAT3), and NOD-like Receptor Pyrin domain-containing protein 3 (NLRP3) inflammasome components were analyzed by Western blot and immunohistochemistry, with their roles confirmed using specific inhibitors.<h4>Results</h4>Luteolin (LUT) treatment alleviated hormonal imbalance and ovarian morphological abnormalities in PCOS rats.