Book An Appointment

Understanding the Causes of Miscarriage: Insights from Internal and Family Medicine

What Is a Miscarriage?

Many people wonder why miscarriages happen. A miscarriage is the loss of a pregnancy before 20 weeks. Most miscarriages occur in the first trimester, which is the first 12 weeks. Doctors often call this an early pregnancy loss. Although miscarriage is common, it can be very upsetting. According to the CDC, about 10 to 20 percent of known pregnancies end in miscarriage. However, the actual number may be higher, since some losses happen before a woman knows she is pregnant.

Common Causes of Miscarriage

Understanding the causes of miscarriage can help families cope and plan. Often, miscarriages are not caused by anything a person did or did not do. Still, doctors have found several common reasons. For example, most miscarriages in early pregnancy happen because of problems with the baby’s chromosomes. Chromosomes carry genetic information. If there is a mistake in the number or structure of chromosomes, the pregnancy may not develop normally.

  • Chromosome problems: These are the most common miscarriage causes in early pregnancy. They happen by chance and are not usually inherited.
  • Health conditions: Some illnesses, like uncontrolled diabetes or thyroid disease, can raise the risk of miscarriage.
  • Infections: Certain infections, such as rubella or listeria, can affect pregnancy.
  • Problems with the uterus or cervix: For instance, some women have shapes or growths in the uterus that make it hard for a pregnancy to continue.
  • Hormone imbalances: Low levels of some hormones may make it harder to stay pregnant.

    • Sometimes, doctors cannot find a clear reason. Even so, most women who have a miscarriage go on to have healthy pregnancies later.

    Risk Factors for Miscarriage

    While anyone can have a miscarriage, some factors make it more likely. Knowing the risk factors for miscarriage can help people understand their chances. For example, age is important. Women over 35 have a higher risk than younger women. Additionally, certain lifestyle choices and health issues can raise the risk.

  • Age: The risk goes up as women get older, especially after age 40.
  • Previous miscarriages: Having had one or more miscarriages before increases the risk.
  • Chronic diseases: Conditions like high blood pressure or lupus can play a role.
  • Smoking, alcohol, and drug use: These habits can increase the chance of miscarriage.
  • Obesity: Being very overweight can also be a risk factor.
  • Environmental factors: Exposure to harmful chemicals or radiation, which can vary by location, may raise risk.

    • Even with these risk factors, many women have healthy pregnancies. Still, it is helpful to know what can make miscarriage more likely.

    How Doctors Diagnose the Causes of Miscarriage

    Doctors use several methods to find out why miscarriages happen. First, they may ask about your medical history and past pregnancies. Next, they often do a physical exam. Sometimes, they use blood tests to check for hormone levels or infections. In addition, an ultrasound can show if there are problems with the uterus or the pregnancy itself. If a woman has more than one miscarriage, doctors may suggest more tests, such as genetic testing or special imaging. However, in many cases, a clear cause is never found. Even so, these steps can help guide future care and support.

    Preventive Steps and Lifestyle Guidance

    Although not all miscarriages can be prevented, some steps may lower the risk. For instance, keeping chronic health conditions under control is important. Eating a healthy diet and staying active can also help. Furthermore, avoiding smoking, alcohol, and illegal drugs is key. Doctors often suggest taking prenatal vitamins with folic acid before and during pregnancy. In some areas, environmental risks like pollution or exposure to certain chemicals may be higher, so it is wise to limit contact with these when possible.

  • See your doctor before trying to get pregnant, especially if you have health problems.
  • Follow your doctor’s advice for managing any chronic diseases.
  • Wash hands often to avoid infections that could harm a pregnancy.
  • Stay away from people who have contagious illnesses, like the flu or rubella.
  • Ask your doctor about safe medicines during pregnancy.

    • While these steps cannot prevent every miscarriage, they may help lower the risk. For many families, understanding why miscarriages happen can bring comfort and hope for the future.

    Conclusion

    If you have questions or concerns about miscarriage, we are here to help. Schedule a consultation with Dr. Sumanth Nulu to discuss your health and get caring support.

    If you have questions or concerns about miscarriage, we are here to help. Schedule a consultation with Dr. Sumanth Nulu⚕️ to discuss your health and get caring support.