Facts about IVF and ICSI
IVF is an abbreviation for In Vitro Fertilisation and is also called ‘test tube’ treatment.
During IVF treatment mature oocytes (eggs) are collected from the ovaries and fertilised with sperm in a petri dish in an incubator in the laboratory. Here the fertilized eggs (embryos) develop during the first cell divisions. After three or more days the best embryo or embryos are transferred to the uterus so they can attach to the endometrial lining and continue their development into a foetus, just like after normal conception.
Fertilisation with ICSI
(Intra Cytoplasmic Sperm Injection, ‘mikroinjection’, ‘mikroinsemination’).
ICSI is an extension of the standard IVF method, which is used if the number of sperm cells is very low or if a previous ‘standard’ IVF treatment has resulted in a low fertilisation rate.
With ICSI, the hormone treatment and oocyte pick-up is done exactly as for IVF. The only difference is the way that the oocytes are fertilised.
The fertilisation with ICSI is performed with a special microscope with ‘micromanipulators’. With this microscope, an oocyte can be held with a holding pipette and a normal-looking sperm cell can be selected and picked up with an extremely thin pipette. The sperm cell is then injected through the egg-’shell’ and into the egg. After the ICSI fertilisation procedure, the cell divisions continue just like with standard IVF.
IVF and ICSI - step by step
Tel: +45 39 40 70 00