The Efficacy of Remimazolam on Incidence of Hypoxia During Sedated Transvaginal Oocyte Retrieval: A Multicenter Randomized Controlled Trial.

Inclusion Criteria: * Subjects aged 18 to 50 years planning to undergo painless oocyte retrieval * Subjects classified as American Society of Anesthesiologists (ASA) physical status I-II Exclusion Criteria: * Subjects with contraindications to general anesthesia, acute or severe cardiovascular disease history, acute upper respiratory infection, chronic obstructive pulmonary disease (COPD), asthma attacks, or uncontrolled hypertension * Subjects with alcohol abuse * Subjects with severe hepatic or renal insufficiency, severe cardiovascular disease, or psychiatric disorder history * Subjects with hearing impairment preventing communication * Subjects with a history of long-term sedative or opioid use, or allergies to benzodiazepines, flumazenil, opioids and their antidotes, propofol, eggs, or soy products * Subjects with SpO2 \< 95% while breathing room air after entering the room