FROZEN EMBRYOS Vitrification Vitrification

When a pair is subject to IVF mothers receive an amount of hormones which causes a controlled ovarian stimulation so that they produce more than one egg.

Find out more eggs-up to a limit-produced by his wife and collect from gynecologist, so most of them will be fit for fertilization by sperm of the husband. It is therefore the greater the chance some of these embryos are of good quality and a lot of good that when transferred back to the uterus there are good chances of pregnancy.

But what if these well produced embryos than they need?

We have now the possibility to freeze the embryos and to preserve in deep freeze. Meanwhile, the transfer to the uterus 'frozen' embryos is a process much simpler than IVF because the woman does not need to take gonadotropins and consequently does not take large doses of hormones and more often than not having to do injections.

So Freezing embryos has become routine practice for Units Assisted Reproduction. When a woman becomes pregnant with IVF and frozen embryos is then used in the next phase of treatment, "Transfer of cryopreserved embryos'.

What happens in Greece;

In Greece, on this issue, was recently legislation to a maximum cryopreservation TA10TA years. This was done to prevent any future anymore embryos which, for various reasons one of the "parents" do not have an interest in their fate.

The same problem is faced and IVF laboratories thus are "embryos no tomorrow" ie embryos that were not ever sought by couples who have IVF. And this was the result of several parameters such as:

Some of these couples have been successful, that the wife got pregnant, gained offspring and did not want to gain others. From their effort but some embryos were frozen in the freezer and there was no need to use.

Other couples divorced and did not get to have children. Their effort but with IVF was before the divorce and produced some embryos which are still in cryopreservation.

'One of the two "parents" died. In this case the law states that embryos should be used at a particular time.