Assisted zona hatching
Assisted reproductive technology procedure / From Wikipedia, the free encyclopedia
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Assisted zona hatching (AZH) is a procedure of assisted reproductive technology ,mainly used in IVF, in which a small hole is made in the zona pellucida. It can be done using different methods including mechanical, chemical or by the use of lasers, thereby facilitating zona hatching.[1] Zona hatching is where the blastocyst gets rid of the surrounding zona pellucida to be able to implant in the uterus.