妇女在怀孕期间,增大的子宫持久地压迫直肠,致使局部静脉血液回流不畅,淤积在肛门和直肠,引起痔疮。同时,孕妇活动较少,导致大便秘结,粪块积存,压迫直肠壁和静脉曲张,形成血栓,易生痔疮。其次,孕妇血压升高、站立过久、会阴部感染等,均与痔疮的发生有关。 Women during pregnancy, the enlarged uterus long-lasting oppression of the rectum, resulting in poor local venous return, siltation in the anus and rectum, causing hemorrhoids. At the same time, fewer pregnant women, leading to constipation, fecal accumulation, oppression of the rectal wall and varicose veins, the formation of thrombus, prone hemorrhoids. Second, pregnant women, high blood pressure, standing too long, perineal infection, are associated with the occurrence of hemorrhoids.