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IVF Worldwide
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IVF-Worldwide.com is the largest and most comprehensive in-vitro fertilization (IVF)-focused website for doctors, embryologists, nurses and social workers. IVF-Worldwide.com
IVF-Worldwide.com is the largest and most comprehensive in-vitro fertilization (IVF)-focused website for doctors, embryologists, nurses and social workers. IVF-Worldwide.com

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Is it correct to leave 40% of eggs in the ovary by not flushing using optimal equipment?

-         Composed for IVF-Worldwide.com Blog by Dr. Hans-Peter Steiner Inst.f. IVF, Graz, Austria

More than 50% of colleagues worldwide are not flushing follicles during egg collection.  The primary reason for this are studies, published in the early nineties, comparing egg retrievals using two needles with the same outer diameter (Single Lumen Needles and Double Lumen Needles). All of the authors concluded that that they harvested the same number of oocytes with either needle, but the duration of egg collection procedure took 2 to 3 times longer using the double lumen needles.

Consider Poiseuille`s law about flow of fluid through pipes, which concludes that a decrease of a lumen of 19% would halve the flow rate in a pipe.

Since the flushing tubing inside a Double Lumen Needle decreases the inner

lumen more than 19%, the turbulences and the flushing effect using a Double Lumen Needle compared to a single lumen needle is minimized. It is likely this explains why the results of the above comparative studies showed no differences.

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Endometrial Biopsy Improves Implantation and Pregnancy Outcome

- Composed for IVF-Worldwide.com by Irit Granot Ph.D. Head of the IVF Lab, Kaplan Medical Center, Rehovot, Israel

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In vivo culture, a natural approach for ART

Various studies using the Anecova method have showed promising results and demonstrated not only the safety and feasibility in a human subject, but also trends of higher implantation potential and higher proportion of euploidy for the embryos cultured in vivo.

A multi-center study is currently underway in Belgium and Denmark on a second-generation device to confirm the trends of higher implantation of in-vivo cultured embryos and gather data on a novel “full in-vivo” clinical protocol as described below. 

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Fertile offspring generating from oocytes derived from induced pluripotent stem cells
- Posted by Gerald Schatten on IVF-Worldwide Blog

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Dr. IVF, a 3D medical interactive mobile application, creates a new interactive damnation in these relations and gives gynecologists and embryologists the ability to actively illustrate procedures in impressive 3D graphics. 

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