卵巢过度刺激综合征在临床促排卵助孕技术中经常发生,是比较多见的并发症,是由于卵巢对Gn刺激表现过度反应,产生过多卵泡,导致过量的雌激素,肾素-血管紧张素-醛固酮系统被激活,血管内皮生长因子、前列腺素、以及一些炎性介质和细胞因子等产生过多,造成毛细血管损害,血管通透性增加,体液大量外渗而引起腹水胸水等,导致低血容量,血液浓 Ovarian hyperstimulation syndrome is a frequent complication in clinical ovulation induction. It is a more common complication. It is caused by ovarian overreaction to Gn stimulation and excessive follicles, resulting in excess estrogen and renin-angiotensin The aldosterone system is activated, vascular endothelial growth factor, prostaglandin, and some inflammatory mediators and cytokines produced too much, resulting in capillary damage, increased vascular permeability, fluid extravasation caused by a large number of ascites pleural effusion, resulting in Low blood volume, blood thick