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Understanding the abnormalities of Gametogenesis and consequently

Coutii Healthy - Human reproduction cannot be separated from the processes that occur in the body, including gametogenesis. Abnormalities in the process of gametogenesis will interfere with the process of production and development of reproductive cells.

Are gametes that are not paired, and formed for the purpose of reproduction. Gametogenesis include the formation of sperm cells and egg cells. The process of gametogenesis in females is called oogenesis, whereas in males is called spermatogenesis.

Understanding the abnormalities of Gametogenesis and consequently

Process Gematogenesis

At the beginning of the process of gametogenesis, primitive cells carry 46 chromosomes, the primitive cells of both men and women. These chromosomes that affect hair, eye and skin color, height, bone structure, and gender.

The duration of the process of gametogenesis is not equal between men and women. In men, the process of meiosis occurs within a few days. While the process of meiosis in females, will be delayed until a couple of years, and continues as the new puberty. In women before puberty, this primitive cells undergoing mitosis (the process of the duplication of the chromosomes). Then after experiencing puberty, these cells undergo a process of Division (meiosis) into two, which each carry 23 chromosomes. After the stages of meiosis, sex cells will develop into the egg (ovum).

Whereas in males, meiosis, the process occurs twice, and take place in a short time without delay. The end result is 4 cells that carry 23 chromosomes that will develop into sperm.

Abnormalities Of Gametogenesis

The process of gametogenesis, oogenesis or spermatogenesis, both have their respective grooves. If there is interruption in stages, it can cause a person's sex cells abnormality.

There are a few things that can happen to a gamete due to abnormalities of gametogenesis:


  • Morphological abnormalities

On this condition, that is to say there are abnormalities in the shape of reproductive cells. Abnormal spermatozoa form, for example, the sperm cells have tails 2 or 2 heads, is one consequence of gametogenesis disorder in men. Even though it can be found in normal conditions, but if the amount exceeds 20%, then it can affect fertility or fertility. In women, the disorder can occur in the oocyte morphology that failed to thrive, and will certainly cause disruption in conception.

  • Chromosome

Abnormalities of chromosome abnormalities occurred during meiosis takes place, when the distribution of chromosomal material between the gametes. Chromosome abnormalities are divided into two forms, namely an abnormality on chromosome abnormalities in the chromosomes and autosomal sex.

The abnormalities on chromosome autosomal chromosome deficiencies can happen due to being 45 or called a monosomy, and because excess chromosomes becomes 47 or so called Trisomy, the normal number of 46 chromosomes from which is a blend of 23 pairs of genes.

While abnormalities in the chromosomes of sex happens when cells that don't get the sex chromosomes, while others have two sex chromosomes, at the time of Division.

The presence of abnormalities of gametogenesis became one of the causes of interference in fertilization, as well as the growth of the fetus in conception. Abnormalities of gametogenesis is also one of the main causes of miscarriage and fertility disorders.

If there is a history of the existence of genetic abnormalities in the family due to abnormalities of gametogenesis, we recommend that you consult it to the doctor to be able to do a proper inspection and handling, before planning a pregnancy.

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