[header] How to care for hemorrhoids postpartum [title] Learn how hemorrhoids develop. [step] Hemorrhoids are caused by an increased pressure on the veins in the anus or rectum. The pressure can make a weaker portion of the vein weaker, which causes it to balloon a little, either inside the rectum or outside the body near the anus. 
It is common for pregnant women to develop hemorrhoids because of the extra weight and pressure from the baby. [substeps] Pregnancy also increases the risk of constipation, which is another risk factor of hemorrhoids.