What is the cause of miscarriage in the first 3 months? Knowing the reasons will help mothers prepare better for next pregnancy.
Due to chromosomal abnormality
50% of miscarriages are attributed to chromosomal problems.
In every normal human cell there are 46 chromosomes; 22 pairs of parents combine with the 23rd pair to become the sex determinant chromosome. As each cell divides, an exact copy of each chromosome in the new cell is needed. If this does not happen or an incomplete pair or development of the chromosome, miscarriages often follow.
Some miscarriages are caused by an abnormal egg or sperm cell. The abnormal chromosome is an important cause of miscarriage and is completely out of the couple's control.
Placenta problems are the cause of first trimester miscarriages
The placenta is the organ that connects the baby's body with the mother's, transporting nutrients from the mother's body to the fetus for the development of the fetus. Therefore, if there is a problem with the placenta, it can affect the baby's growth and development, even causing a miscarriage.
Hormonal imbalances
Some women experience luteal defects when their ovaries do not produce enough progesterone to support their fetuses in the early stages of fertilization. Although some researchers believe that low levels of this hormone are more often the symptom than the cause of the miscarriage. The balance of progesterone, hormone-stimulating follicles, estrogen and even thyroid hormones also needs to be in the correct proportions to support early pregnancy. Too little or too much of any of the hormones can cause miscarriage.
Pregnant women miscarried the first 3 months because of infection
Having a wide range of bacterial and viral infections detected during the first 3 months of pregnancy increases the risk of miscarriage. Some infections cause no symptoms. Currently, it is thought that the infection is through the placenta or through the cervix of the mother. Infection can also occur in the placenta or embryo. Sometimes, a blood transfusion is the cause of an infection.
Some of the main infections are measles, mumps, herpes, certain types of bacteria and sexually transmitted diseases. From the beginning of pregnancy, a blood test is done to screen and assess the mother's immunity.
Uterine structure
Uterine abnormalities such as uterus with septum, one-horned uterus, two-horned uterus ... can cause miscarriage. In addition, the development of fibroids (noncancerous) in the uterus can also jeopardize the development of the fetus.
Health status of pregnant mother is also the cause of miscarriage
Pregnancy diseases, such as diabetes, high blood pressure, lupus, kidney disease, and problems with the thyroid gland ... may increase the risk of miscarriage.
The disease limits the blood flow to the mother's uterus, preventing the fetus from developing normally. In addition, pregnant women with polycystic ovary syndrome (PCOS) also have a higher risk of miscarriage. But scientists are still not clear how this happens.
Due to the lifestyle of the pregnant mother
Smoking, drinking too much caffeine, taking drugs, especially cocaine, being exposed to radiation or harmful substances, or drinking a lot of alcohol are all believed to cause miscarriage. "Clean" blood that is not delivered to the embryo across the placenta also leads to problems with normal cell division.
The risk of miscarriage is higher with higher gestational age
Older women have a higher risk. Women 35 to 45 years of age have a 20-30% risk of miscarriage, and the risk of miscarriage is 50% for women over 45.
Thus, there are many causes of first trimester miscarriage and this phenomenon is more common than pregnant mothers think. Pregnant mothers should not be too sad, keep a stable mood and health to have a baby soon.
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