A simple, less invasive stripper micropipetter-based technique for day 3 embryo biopsy
- Luciano Cedillo
- Azucena Ocampo-Bárcenas
- Israel Maldonado
- Francisco J. Valdez-Morales
- Felipe Camargo
- Esther López-Bayghen
DOIAbstract
Abstract Background Preimplantation genetic screening (PGS) is an important procedure for in vitro fertilization (IVF). A key step of PGS, blastomere removal, is abundant with many technical issues. The aim of this study was to compare a more simple procedure based on the Stipper Micropipetter, named S-biopsy, to the conventional aspiration method. Methods On Day 3, 368 high-quality embryos (>7 cells on Day3 with <10% fragmentation) were collected from 38 women. For each patient, their embryos were equally separated between the conventional method (n = 188) and S-biopsy method (n = 180). The conventional method was performed using a standardized protocol. For the S-biopsy method, a laser was used to remove a significantly smaller portion of...
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