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Updated: Mar 20, 2026
Time-lapse Microscopy of Early Embryogenesis in Caenorhabditis elegans
Published on: August 25, 2011
Time lapse microscopy is useful for elective single-embryo transfer
Einat Haikin Herzberger1, Yehudith Ghetler1, Rina Tamir Yaniv1
1a IVF Unit, Department of Obstetrics and Gynecology, Meir Medical Center , Kfar Saba , Israel , Affiliated with the Sackler Faculty of Medicine, Tel Aviv University , Tel Aviv , Israel.
Abstract:
The aim of our study was to evaluate time lapse microscopy (TLM) as a selection tool for single-embryo transfer (SET) on day 5, blastocyst stage. An observational cohort study was conducted. Patients who had SET were compared to patients who had double embryo transfer (DET). A total of 108 patients were included in analysis, 83 had SET, and 25 underwent DET. Embryos were incubated and evaluated using TLM. The pregnancy rates were similar between the groups (42.2% in SET and 48.0% in DET). However, the multiple pregnancy rate was significantly higher in the DET group compared to the SET group (41.7% versus 2.9%, respectively; p < 0.001). This study concludes that SET with TLM do not decrease pregnancy rates compared to DET. However, transfers of two embryos increase the rate of multiple pregnancies.
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