What causes abortion

summary

There are many problems that need to be paid attention to when you are pregnant. Because many of your friends know something about it, they pay more attention to the conditioning during pregnancy to avoid some risks. For example, fetal arrest is quite common. Fetal arrest is the developmental arrest of the embryo in early pregnancy due to some reason. After B-ultrasound examination, the embryo bud or fetal shape in the gestational sac is not whole, and there is no fetal heart beat, or the gestational sac of pregnant women withers. In fact, there are many reasons for the embryo to stop developing. What are the reasons?

What causes abortion

First: endocrine disorders, embryo implantation and continued development depend on the coordination of complex endocrine system, any link disorder, can lead to abortion, the most common is luteal dysfunction, which affects the implantation of fertilized eggs, or early abortion.

Second: there are immune factors. After pregnancy, intrauterine embryos or fetuses belong to allogeneic transplantation, because the fetus is a combination of parents' genetic material, which can not be exactly the same as the mother. Women's immune maladjustment during pregnancy will cause the mother's rejection of the fetus.

Third: there is reproductive tract infection, in addition to their own factors, infection caused by early pregnancy abortion is more common, early pregnancy serious infection can cause embryo death or abortion, lighter infection can also cause embryo deformity, in addition, uterine abnormalities can also cause abortion.

matters needing attention

Finally, we want to say that at the early stage of embryo development, the embryo is very sensitive to the influence of therapeutic drugs and environmental factors. At this time, various harmful factors can cause damage to the embryo, and even stop development.