Pregnancy and Health Care

The twins, twin pregnancies are always something special in every thousand births only a few are of this type and in most cases they are twins. The twins are more alike than ordinary siblings, because these pregnancies are derived from two simultaneous but independent fertilization, ie, occur when two sperm fertilize two eggs at the same time different.

In some families the birth of twins is particularly common, so it is suspected that genetic predisposition plays a role, especially the female hereditary burden.

In recent years it has increased the number of multiple pregnancies because of hormonal treatments to induce pregnancy, often also lead to the development of several eggs.

In assisted reproduction treatments are usually women deploy up to three embryos at a time. In fact, almost one in two pregnancies with twins is the result of fertility treatment.

Another reason for the increase of multiple pregnancies is the increasing age of mothers. The older, the higher the concentration of follicle stimulating hormone (FSH) and more frequent presence of several eggs can be fertilized.

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