What is laser hatching ?
A covering layer, or 'shell' surrounds embryos or blastocysts called the Zona Pellucida (ZP). The zona has an important role in fertilisation as it allows only one sperm to penetrate the zona and enter the egg to achieve fertilisation. It also acts to prevent premature implantation in the Fallopian tube and may help prevent the early embryo from being attacked by cells of the immune system.
The embryos have to "hatch" or break out of the zona in order to embed into the endometrium lining the uterine cavity. This occurs about four to five days after embryo transfer when the embryo is at the blastocyst stage. Naturally this takes place by expanding/contracting of the zona until it distorts, allowing the blastocyst to "hatch".
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At the We Care's partner Fertility Centres, patients who are considered for laser assisted hatching are : -
It's a sad fact that IVF technology today is still not perfect. Only one of ten embryos we transfer in the uterus implants successfully in the endometrium to become a baby. Why is the embryo implantation rate only 10 ? Some doctors believe this is because the surrounding shell of the embryo (called the zona pellucida) hardens when it is cultured in the laboratory.
We can use "embryo surgery" called zona drilling or assisted hatching to "soften" the shell of the embryo. This helps to increase pregnancy rates by improving implantation rates, since embryo hatching is facilitated. In the past, this was done using acid (acid Tyrode's), but this can damage the embryo. Today, we can precisely create an opening in the zona safely and effectively with the use of a laser. Laser assisted embryo hatching available in just low cost in india.