Does Progesterone Affect Perioperative Blood Loss during Posterior Spinal Fusion Surgeries in Female Patients with Adolescent Idiopathic Scoliosis? A Retrospective Study.

Intramuscular injection of progesterone to avoid menstruation during PSF surgery did not affect perioperative blood loss and complications in AIS patients. It may be a safe method for AIS patients to avoid menstrual problems affecting the operation time and receive PSF surgery as scheduled.