Hemorrhoids are venous masses formed by the expansion, bending and uplift of hemorrhoid venous plexus blood vessels on the lower rectal mucosa and deep anal skin. Its occurrence is related to the compression of hemorrhoid vein, poor reflux and external stimulation. Pregnant women are one of the high incidence groups of hemorrhoids, and the incidence of hemorrhoids in pregnant women is as high as 76%.
Pregnant mothers have hemorrhoids: first, there are hemorrhoids, which recur and worsen after pregnancy, which is also the most common and important point; Second, after pregnancy, with the growth of the fetus, the uterus increases day by day. The enlarged uterus oppresses the blood vessels in the pelvic cavity, so that the venous blood in the legs, vulva and rectum can not flow smoothly, which makes the veins in the lower segment of the rectum and around the anus congested and expanded to form hemorrhoids; Third, gastrointestinal peristalsis slows down during pregnancy, resulting in constipation, difficult defecation and increased abdominal pressure, which is also the cause of hemorrhoids. Based on the above reasons, pregnant mothers have become a high incidence group of hemorrhoids.
Hemorrhoids can cause many complications, and pregnant mothers are a special population, so hemorrhoids will not only affect pregnant mothers, but also affect the fetus. For example, hemorrhoids often bleed repeatedly and accumulate over time, which can lead to anemia, dizziness, shortness of breath, fatigue, weakness, poor spirit and other symptoms, which not only affects the health of pregnant women, but also affects the normal development of the fetus, which is easy to cause growth retardation, low weight, and even premature birth or death. When internal hemorrhoids or mixed hemorrhoids develop to a certain extent, they can get out of the anus. Due to the continuous enlargement and prolapse of hemorrhoids, the hemorrhoids can get out and cannot participate in activities when the pregnant mother has a slight increase in abdominal pressure such as walking and coughing, which increases the mental and physical burden of women in the later stage of pregnancy. In addition, mixed hemorrhoids and incarceration cause pain. Because the feeling of anal sphincter and uterine smooth muscle is dominated by sacral nerve, the pain of hemorrhoids is easy to reflex cause uterine contraction and lead to the risk of abortion.
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