11 Reasons Why Women May Have a Miscarriage

Posted by Liza Elliott-Ramirez November - 13 - 2014
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If you’ve had a miscarriage, you’ve probably wondered why it happened. If you are currently pregnant, you likely also wonder what causes them in order to avoid one. Some women even blame themselves for miscarriage. But miscarriage is rarely caused by something the pregnant woman did, but rather a variety of biological factors. It is difficult for doctors to predict a miscarriage before it occurs, but there are some things that make miscarriage more likely.

Here are 11 reasons why women may have a miscarriage.

reasons for miscarriage

  1. The embryo or fetus has a chromosome that causes it to develop abnormally. This usually happens by chance when the fertilized egg divides and grows. This abnormality causes at least half of miscarriages.
  2. If you have a uterus that is “abnormally” shaped or divided-a uterine septum, miscarriage can because the embryo either can’t implant or can’t get the nourishment it needs to survive even if it does implant.
  3. Sperm is a foreign object to a woman’s body. In healthy pregnancies, the fertilized egg sends a message to the body that it isn’t a germ and shouldn’t be treated like one, however in some cases, the embryo isn’t accepted by the woman’s body. Antibodies that attack one’s own tissue, including embryos are the cause of many miscarriages.
  4. Many micro-organisms live harmlessly and sometimes even helpfully in reproduction tracts. But certain bacteria can cause problems, including an increased risk of miscarriage. Two in particular—mycoplasma hominis and ureaplasma urealyticum live in the genital tracts of healthy men and women, but can raise the risk of miscarriage.
  5. A woman’s risk of miscarriage increases as she ages.
  6. Severe chronic illness such as poorly controlled diabetes, rheumatoid arthritis, or lupus can affect a pregnancy and possibly lead to miscarriage.
  7. Severe trauma and very serious infections also can cause miscarriage.
  8. Abnormalities in the uterus, like scar tissue or uterine fibroids, can cause late miscarriages, ones that occur after 3 months.
  9. Smoking, the use of alcohol, drugs, and heavy caffeine can all endanger a pregnancy.
  10. Women who are underweight or overweight have a greater risk of miscarriage than other women.
  11. Women who have had two or more miscarriages in a row are at a greater risk of having miscarriages in the future.

One Response so far.

  1. Camila Damas says:

    Wow. There certainly are many reasons for miscarriage. Some that can be avoid it, and unfortunately some that can’t :(. It’s a really sad cituation I know some woman’s that had miscarriage. And it’s so sad:(((((