The hazards of early pregnancy constipation are increased risk of miscarriage, cause hemorrhoids, intestinal obstruction and so on. 1. increase the risk of miscarriage: constipation in early pregnancy will make defecation strength and increase abdominal pressure, if the pregnant woman herself has signs of preeclampsia, constipation using abdominal pressure may aggravate the symptoms of severe, increasing the risk of miscarriage, but also is not conducive to the preservation of the fetus. 2. cause hemorrhoids: long-term avoidance will prolong defecation time and increase abdominal pressure, which will increase the risk of hemorrhoids or aggravate the original hemorrhoids. 3. Intestinal obstruction: long-term constipation will make the stool in the intestinal memory for a longer period of time, so that the intestinal absorption of toxins increased, the difficulty of defecation will also cause abdominal distension, abdominal pain and other symptoms, and even cause intestinal obstruction. When constipation in early pregnancy need to go to the hospital to consult the doctor, and under the guidance of the doctor to improve the appropriate diet, and give appropriate treatment.