Can Bad Sperm Cause A Miscarriage?

Spontaneous loss of a pregnancy or much familiar we call as ‘miscarriage’ can be caused by some different causes. While to get a conception both male female and male fertility is crucial, the male sperms may also have contribution in causing a miscarriage. Some experts believe that bad sperm may also have an effect. However, the answer can vary from case to case.

Miscarriage – how common is it?

Medically, it is a term used to call the spontaneous loss of a fetus /pregnancy before the 20th week of gestation. Because when it occurs late in pregnancy or after the 20th week of gestation, it is medically called as ‘preterm deliveries.

Miscarriage is not common but actually is also not rare. About 30 percent of all women experience it and most of them don’t realize when they have it, because it often occurs before even women know that they are being pregnant [1].

Statistics showed that it affects about 15 to 20 % among women realize and know that they are being pregnant [2]. And it commonly occurs in the first 7-12 weeks of digestion. In general, the risk of having this pregnancy loss will drop significantly once the heartbeat of the baby is detected.

How likely is a woman to have miscarriage?

If you are a woman and being pregnant, your risk of having this kind of pregnancy loss increases if [3]:

  1. If you have personal history of miscarriage in your previous pregnancy, you are more likely to have the same problem in your next pregnancy.
  2. If you are getting your conception in the age of 35 to 40 years-old or older. Getting pregnant at the age 35, the risk is about 20 percent. And if you get pregnant at the age 40, your risk becomes 40 percent, and it can increase to be 80 percent if you get pregnant at the age 45.

Having one or some of these risk factors doesn’t mean you definitely will have a pregnancy loss, but your risk is greater than others who don’t have any risk factors of miscarriage.

Other risk factors include:

  1. Weight issue. Experts think that either under or over weight before and during pregnancy may also have an effect in increasing the risk. See also how many pounds you should gain in pregnancy on this section.
  2. Problems of cervix or uterine. Weak cervical tissues are more likely to give poor support for the growth of baby during pregnancy.
  3. Practicing bad habits that can harm the pregnancy. These include abusing tobacco (cigarette smoking) and abusing alcohol (too much consumption of alcohol).
  4. Having uncontrolled chronic conditions such as uncontrolled stress, diabetes, hypertension, or even depression can be too risky for pregnant women.

Are there any early signs?

The best preventive step is by checking your pregnancy regularly. An obstetrician can help a lot to make sure that everything is ok. In general, see a doctor promptly if you notice one or some of the following abnormal symptoms:

  1. Vaginal bleeding with unknown reason.
  2. Persistent pain that affects lower back, pelvis, or your stomach.
  3. If you notice any blood clots.
  4. If your morning sickness symptoms last longer than normal. Normally, nausea and vomiting should improve in the 4th month of gestation.

Chromosome problems are the leading cause of miscarriage

Abnormalities of chromosome affect about 50 – 60 percent of all cases of miscarriage [1]. There are several factors that can affect the development of chromosome, and one of these factors is the male sperm.

image_illustration78Meiosis, mitosis, maternal age, and environmental factors are some major variables in the development of chromosome in a pregnancy [4]. An error that occurs in one or some of those variables can cause chromosome abnormalities.

In meiosis, each parent (the successful sperm that fertilizes the female egg – and the egg itself) has 23 chromosomes to a pregnancy.

So, will bad sperm affect the chance of miscarriage?

According to some studies that observed miscarriage in the first 3 months of gestation, researchers found that chromosomally abnormal were responsible for most cases!

For this reason, some experts believe that there is a chance for bad sperm to have contribution in causing a miscarriage.

Furthermore, a study found that women who get a conception and pregnancy with older men are also at slightly greater risk of getting a pregnancy loss [3]. And as well we know that the male sperm quality decreases as the age.

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