The most common cause of late miscarriage

Miscarriage is the most worrying phenomenon for women during pregnancy. Generally, spontaneous miscarriage is very easy to occur in the early stages of pregnancy, but some female friends encounter this situation in the late stages of pregnancy. In fact, miscarriage can occur at any stage of pregnancy, and it is often caused by not paying attention to lifestyle habits. So, what is the most common cause of late miscarriage?

First, what is the most common cause of late miscarriage? Uterine lesions: uterine malformations and septate uterus, bicornuate uterus, uterine hypoplasia, intrauterine adhesions, and submucosal uterine fibroids can all affect fetal growth and development and lead to miscarriage due to insufficient placental blood supply. Relaxation of the internal cervical os or partial cervical resection may make the fetal membranes easily rupture, resulting in late miscarriage. (2) Systemic diseases Acute illness and high fever during pregnancy can cause uterine contractions and miscarriage. Bacterial toxins or viruses can also enter the fetal circulation through the placenta and cause fetal death. Chronic diseases such as severe anemia or heart failure can also cause miscarriage due to severe fetal hypoxia. (3) Abdominal distension in mid-pregnancy may be caused by trauma or surgery, which may stimulate the uterus and cause uterine contractions, leading to late miscarriage. (4) Incompatibility of maternal and fetal blood types can cause the fetal red blood cells to aggregate and be destroyed, resulting in blood coagulation. Severe cases may cause fetal death and late miscarriage

Second, the most obvious symptom of late miscarriage is labor-like pain, bleeding (which may be a lot and contain blood clots), rupture of the amniotic membrane (amniotic fluid), and eventually the fetus, placenta, and membranes are expelled from the body. However, sometimes there are no signs, and it is only during routine prenatal examinations that the doctor or midwife will know that intrauterine fetal death has occurred when they do not find the baby's fetal heartbeat. If this happens, you may have to have induced labor (artificial methods to cause uterine contractions and then give birth) to bring the baby to life, and the doctor will require you to be hospitalized. Some mothers who have had a miscarriage want the doctor to induce labor as quickly as possible, while others want to wait a few days so that they have time to accept the reality of the miscarriage and see if the birth can start naturally. Doctors will recommend that expectant mothers have timely induced labor, because delaying too long may be detrimental to their health.

What is the most common cause of late miscarriage? Family genetic factors: Due to family genetic factors, such as close relatives marrying each other, or one of the couple has chromosomal abnormalities, the blood relationship between the couple will become closer, and the chromosomal abnormalities of the next generation will be more dominant. Most embryos with chromosomal abnormalities are not viable, so miscarriage will occur.

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