Assisted hatching is usually performed on day 3 of embryo culture whereby three small openings are drilled into the zona pellucida of the embryo with the aid of a laser beam.Tüp bebek tedavisi 1975 sene?ndan beri uygulanmakta ve tedavi sürecinde kullan?lan dermanlar?n tek cephe tesiri bulunmamaktad?r. Bu yer birhayli sondaj ve takipler sonucunda