What Are The Major Causes of Miscarriage
Treatment for certain medical conditions prior to pregnancy and during pregnancy may sometimes help prevent spontaneous abortions and repeated abortions. Although you cannot generally prevent miscarriage, taking good care of yourself and following the recommendations of your healthcare provider can improve your chances that you and your baby are healthy during pregnancy. Certain conditions, such as severe diabetes, may increase the chances that you will miscarry.
In many cases, it is impossible to prevent a miscarriage, particularly if the cause is chromosomal abnormalities that are incompatible with life. Doctors believe most miscarriages are caused when the building blocks controlling the babys development -- the chromosomes -- are abnormal. About half of all miscarriages are caused when an embryo (fertilized egg) gets an incorrect number of chromosomes.
When a miscarriage happens during the first 12 weeks, over half are caused by problems in a childs chromosomes. If the miscarriage happens during the first trimester (first 3 months) of pregnancy, the cause is often problems with the unborn baby (fetus). If a miscarriage happens after the first trimester of pregnancy, it can result from things such as a pre-existing medical condition of the mother.
Miscarriages often occur because a fertilized embryo cannot develop properly. Between 50 to 70% of miscarriages during the first trimester are considered random events caused by chromosomal abnormalities in the fertilized embryo. About half of all miscarriages that happen during the first trimester are caused by chromosomal abnormalities--which can be either hereditary or spontaneous--in either the parents sperm or eggs.
Late-term miscarriages -- those that happen after 3 months -- can be caused by abnormalities in the uterus. Certain long-term medical conditions, especially immune disorders like diabetes or systemic lupus erythematosus, can cause late-term or early-term abortions.
If you have had more than 2 previous abortions, there is an increased chance that you will experience an abortion. If you have had multiple miscarriages, you might want an evaluation to find out if there are anatomical, genetic, or hormonal anomalies that contributed to your miscarriage. To find the reason behind repeated miscarriages, women suffering from this condition must have tests done and visit a specialist, who will attempt to identify the likely causes.
If miscarriages are caused by modifiable factors that are treatable, doctors can offer advice about treating and managing those problems, and can help develop a better health care plan that should be followed before trying to get pregnant again. The most common cause of pregnancy loss is a problem with a chromosome that will prevent a fetus from developing normally.
Other factors that can cause pregnancy loss can include abnormalities in the uterus or cervix, and infections in either mother or the fetus. Certain lifestyle habits--such as drug abuse, alcohol consumption during pregnancy and smoking--have been found to contribute to early abortions as well as pregnancy loss later in the pregnancy. Whether hypothyroidism (too low) or hyperthyroidism (too high), cardiac disorders,uncontrolled diabetes may cause problems with fertility or lead to repeated miscarriages.
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