Top Causes Of Miscarriages

January 3, 2017  |  
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A miscarriage can be an incredibly traumatizing experience for an expectant mother and her partner. Miscarriages can often send a woman into depression, make her fear trying to have another baby, and put a strain on her romantic relationship with her partner. When a couple becomes pregnant, they become busy planning nurseries and baby showers and having to break the news of a miscarriage, not to mention accept that news, in the middle of high hopes for starting a family can be devastating. While some miscarriages simply cannot be prevented, it is important that every woman hoping to become pregnant, or who already is pregnant, knows about the top causes of this awful event. Here are the top causes and risk factors for miscarriages.


Obesity not only makes it harder to become pregnant, but it can also increase the chances that a pregnancy goes on longer than its expected due date, and it can increase one’s chances of a miscarriage.

What can be done

If you do have an excessive amount of body fat but would like to become pregnant, it’s important to speak to a doctor and nutritionist early about healthy ways to lose weight before becoming pregnant and continuing to pursue a healthy body weight during pregnancy, since normal diets may be dangerous during pregnancy.


Genetic abnormalities

Our bodies have intelligent systems built into them that we know little about. In some cases, if a fetus would have developed a genetic abnormality such as cystic fibrosis or Down syndrome, the body cancels the pregnancy.

What can be done

Women who suffer two or more miscarriages should speak to their OBGYN about seeking out a specialist who can help identify if a genetic abnormality is causing these miscarriages. If that is the case, alternative methods like surrogate mothers may be advised.

A misplaced gene

Most people do not know they have a misplaced gene and are a balanced translocation carrier until they try to become pregnant. This is because the symptoms don’t become present until the carrier’s cells attempt to create sperm or egg cells. The condition can result in a miscarriage.

What can be done

Fortunately, a blood test can determine whether or not you or your partner are a balanced translocation carrier, and there is a procedure to help carriers complete a healthy pregnancy.

A sperm delivery problem

If a man’s sperm cannot deliver complete DNA to an egg, a miscarriage may occur. Essentially, the egg does not have all of the information it needs to develop. The medical term for this is sperm DNA fragmentation.

What can be done

Sperm DNA fragmentation is common in men who smoke, take antidepressants, have undergone chemotherapy and a few other possible factors. Special clinics can screen for the issue.


A septum is simply extra tissue that can develop on the outside of the uterus. Septums will not have the same blood type as the full uterus, so if an embryo attempts to grow there, it can die. Women with uterine septums are born with them, but typically do not know about them until they want to become pregnant because they do not produce symptoms.

What can be done

Fortunately, a surgery called a hysteroscopically can alter the shape of the septum to help the uterus regain a normal shape.



Diabetes can interfere with a woman’s ability to produce enough progesterone, which is critical to carrying out a pregnancy to term.


What can be done

If you are a diabetic hoping to become pregnant, speak to your doctor early about ways to prepare your body to be as healthy as possible for pregnancy, and monitoring hormones throughout pregnancy.

Blood clotting

Not all blood clots show obvious symptoms; some only make themselves known when a woman attempts to have a baby. Antiphospholipid syndrome can cause blood clotting that prevents an embryo from growing.

What can be done

Fortunately, blood thinning medicine can alleviate the condition and help a woman carry out a healthy pregnancy.


Hypothyroidism is another condition that can interfere with your body’s ability to produce the hormones necessary to carry out a pregnancy. Several thyroid diseases can also affect pregnancy.

What can be done

If you do suffer from hypothyroidism, you should already be in communication with a doctor about medications that can balance your hormones.



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Fibroids are small growths inside of the uterus made up of muscle cells. Depending on the size, shape or location of these fibroids, they can cause a miscarriage.


What can be done

The size, location and number of fibroids will determine which type of surgery is required to remove them. In some cases, a surgery similar to a C-section is required and will leave a scar.

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Having just one to two alcoholic drinks per week can increase one’s chances of a miscarriage. Other known toxins like tobacco and even BPA found in many water bottles can greatly increase one’s chances of a miscarriage.

What can be done

If you struggle to quit drinking or smoking before becoming pregnant, it’s more important than ever to seek professional help to overcome these addictions before trying to conceive.

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