What Causes Miscarriage?

Causes of Miscarriage

Miscarriage, also known as spontaneous abortion, refers to the loss of a pregnancy before the 20th week of gestation. It can occur for various reasons, and in many cases, the exact cause may remain unknown. However, here are some common factors that can contribute to miscarriage:

  1. Chromosomal abnormalities: The majority of miscarriages are caused by chromosomal abnormalities in the fetus. These abnormalities usually occur by chance during the formation of the egg or sperm or during fertilization. Chromosomal abnormalities are more likely to occur in older parents.
  2. Hormonal problems: Hormonal imbalances, such as problems with the production of progesterone, which is essential for maintaining a healthy pregnancy, can contribute to miscarriage.
  3. Uterine abnormalities: Certain structural abnormalities of the uterus, such as uterine septum (a partition in the uterus), fibroids (noncancerous growths in the uterus), or cervical insufficiency (a weakened cervix), can increase the risk of miscarriage.
  4. Maternal age: Advanced maternal age, usually defined as 35 years or older, is associated with a higher risk of miscarriage. This is partly due to the increased likelihood of chromosomal abnormalities in eggs as women age.
  5. Infections: Infections such as bacterial vaginosis, urinary tract infections, or sexually transmitted infections (STIs) can increase the risk of miscarriage, particularly if left untreated.
  6. Chronic health conditions: Certain chronic health conditions in the mother, such as uncontrolled diabetes, autoimmune disorders, thyroid problems, or clotting disorders, can increase the risk of miscarriage.
  7. Lifestyle factors: Factors such as smoking, excessive alcohol consumption, drug use, and exposure to environmental toxins or radiation can increase the risk of miscarriage.
  8. Maternal trauma: Severe trauma, such as a car accident or a fall, can lead to miscarriage, although it is relatively rare.

It’s important to note that the majority of miscarriages occur due to factors beyond a person’s control, and most women who experience a miscarriage go on to have a healthy pregnancy in the future. If you have experienced a miscarriage or have concerns about your reproductive health, it’s recommended to consult with a healthcare provider for personalized guidance and support.

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