IN VITRO FERTILISATION AND EMBRYONIC TRANSFER
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IVF-ET - acronym of In Vitro Fertilisation and Embryo Transfer - is one of the most widely used techniques in assisted procreation. With homologous IVF-ET, the ovules and spermatozoa biologically belonging to the two components of the couple undergoing treatment are used.
IVF-ET was developed by Patrick Steptoe and Robert Edwards in the UK, the latter of whom was awarded the Nobel Prize for medicine in 2010.
According to the experience of ProCrea, the success rates of IVF-ET vary depending on the cause of infertility, the patient's age, and the values of the partner's seminal fluid. For all details please consult the relative Statistics section.
The homologous IVF-ET technique entails hormonal stimulation in the woman to induce the multiple growth of the follicles, then the picking up of the oocytes, their in vitro fertilisation with the spermatozoa of the partner, and the subsequent transfer of the embryos into the uterus. Any additional embryos are cryopreserved and remain available to the couple for any subsequent embryo transfers.
This procedure is indicated in cases of:
1. Previous failures with other assisted procreation techniques.
2. The presence of a fallopian tube factor.
3. The presence of a male factor (reduction of the concentration or motility of the spermatozoa).