Important Update #2: Assisted hatching improves IVF pregnancy rates.


Human embryo is covered with a hard protective shell called the zona pellucida. When the embryo is put back in the uterine cavity, it has to break this shell to implant and grow. Embryos produced in the IVF lab have a harder shell and needs more energy to break. If the zone of these embryo is opened, these embryos can easily implant in the uterine cavity. IVF specialists use a special infra red laser to open the zone of embryos from women with repeated failed implantation, advanced maternal age, slow growing embryos, frozen embryos and those with a thick zona. Majority of scientific studies favor laser assisted hatching of embryos to improve pregnancy rates in all the above conditions.

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