怀孕。怀孕期间，体内的血容量会增加。这一变化有利于胎儿的生长，但也可能导致腿部静脉扩张。 Get the most up-to-date health information and facts from Mayo Clinic delivered to your inbox. Subscribe at no cost and receive your in-depth guidebook to digestive health, as well as the most recent on health improvements and information. You can unsubscribe at any time. Click here for an e https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-everything-you-need-to-know/