Is laser-assisted hatching better than mechanical method for enhancing pregnancy rate in frozen-thawed blastocyst transfer cycles?
Objective: To investigate the effect of laser-assisted hatching (LAH) compared with mechanical-assisted hatching (MAH) for enhancing clinical outcomes in frozen-thawed blastocysts (FTBs) transfer cycles. Materials and Methods: The culture of all pronucleate embryos to the blastocyst stage and the se...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IMR Press
2020-02-01
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| Series: | Clinical and Experimental Obstetrics & Gynecology |
| Subjects: | |
| Online Access: | https://www.imrpress.com/journal/CEOG/47/1/10.31083/j.ceog.2020.01.5023 |
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| Summary: | Objective: To investigate the effect of laser-assisted hatching (LAH) compared with mechanical-assisted hatching (MAH) for enhancing clinical outcomes in frozen-thawed blastocysts (FTBs) transfer cycles. Materials and Methods: The culture of all pronucleate embryos to the blastocyst stage and the selection of blastocysts ≥ grade 3BB (Gardner and Schooleraft score), followed by FTBs transfer cycles with LAH (n=105) or with MAH (n=101). Clinical outcomes including clinical and ongoing pregnancy rates were investigated.Results: There were no significant differences in clinical and ongoing pregnancy rates between LAH and MAH groups in FTBs transfer cycles. Conclusion: LAH does not improve pregnancy outcomes significantly compared to MAH in FTBs transfer cycles. |
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| ISSN: | 0390-6663 |