What is the anembryonic pregnancy?

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The anembryonic or anembryonic pregnancy, also known as egg hollow, is one of the causes of spontaneous abortion that occurs very frequently. About 50% of pregnancy losses during the first trimester is associated with this problem, which can occur even before the woman who is pregnant knows.

Below you have an index with all the points that we will discuss in this article.

Index

What is anembryonic pregnancy? Detection and treatment

What is the anembryonic pregnancy?

It is a clinically recognized pregnancy, in which an empty gestational sac is observed without signs that there is an embryo inside.

Anembryonic pregnancy: gestational sac without a fetus

The ovum has been fertilized by the spermatozoon, and after being implanted in the uterine cavity, there is an abnormal development in which only the gestational sac occurs. In simpler words: it's like a pregnancy without a baby.

It is called a hollow egg when it is not possible to see embryonic structures within the gestational sac or chorionic pouch.

Normal embryonic development

After the fertilization between the egg and the sperm, an embryo is formed that multiplies its cells until it reaches the blastocyst stage, which has a peripheral layer of cells that make up the trophoectoderm, and a small conglomerate of cells called the internal cell mass.

Once the blastocyst has been implanted in the uterus, the trophoectoderm will give place to the placenta, and the internal cell mass to the embryonic discs that will form the fetus. It is the process known as gastrulation.

For more detail on the early development of the embryo, enter this article: gastrulation.

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doppler ultrasound in Cordoba(Spain)

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