Late pregnancy anus with meat out may be hemorrhoidal prolapse, rectal prolapse and other diseases caused by. 1. hemorrhoids prolapse: late pregnancy due to the increasing size of the uterus, can lead to hemorrhoidal venous plexus bruising, causing varicose veins in the anorectal area, which leads to hemorrhoids or make the original hemorrhoids aggravated, thus manifesting as anus with meat out, but also can be accompanied by pain and itching around the anus, bleeding when stool and other symptoms. 2. Rectal prolapse: it refers to the anal canal, rectum and even the lower end of the sigmoid colon intestinal wall or the whole layer, downward displacement and prolapse outside the anus, late pregnancy due to increased abdominal pressure, can lead to prolapse of the rectum, which manifests itself as the anus has meat out, but also can be accompanied by constipation, fecal incontinence, anus itching, dampness and other symptoms. There are many other causes for flesh coming out of the anus in late pregnancy, which should be emphasized, and timely consultation should be made to find out the cause of the disease, and further treatment or therapy as prescribed by the doctor.