Assisted hatching

Assisted hatching is a technique used in situations where a defect of embryoTerm designating the early stages of development from conception to the eighth week of pregnancy. From the first cell division on, the two-cell stage, one uses the term embryo. hatching is suspected. This defect is manifested by an inability of the embryoTerm designating the early stages of development from conception to the eighth week of pregnancy. From the first cell division on, the two-cell stage, one uses the term embryo.  to break the zona pellucida that surrounds it and, therefore, to make contact with the lining of the uterusPear-shaped organ that contains and nourishes the fetus during pregnancy, which contracts in a powerful and rhythmic manner at birth to expel the fetus. and to implant. embryoTerm designating the early stages of development from conception to the eighth week of pregnancy. From the first cell division on, the two-cell stage, one uses the term embryo. hatching may be facilitated by drilling a hole in the zone pellucid or by thinning a portion of it  using a laser microscope.

The short movie below shows how a hole is made using four laser pulses of 5 milliseconds.

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