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'Lab On A Chip' Improves Success Of In Vitro Fertilization

Date:
September 4, 2008
Source:
American Chemical Society
Summary:
In a finding that could boost the success rate of in vitro fertilization (IVF), researchers report development of a tiny "lab on a chip" to evaluate the fitness of embryos harvested for transfer.

Scientists could improve the success rate of in vitro fertilization using a "lab on a chip" to study embryos. Above is a mouse embryo at the fifth day of development cultured in a 1 microliter droplet.
Credit: Mark Johnson and Amanda Pennington

In a finding that could boost the success rate of in vitro fertilization (IVF), researchers report development of a tiny "lab on a chip" to evaluate the fitness of embryos harvested for transfer.

Researchers describe the method as faster, easier, and more reliable than conventional embryo selection methods.

In the new study, Todd Thorsen and colleagues note that the current method for evaluating an embryo's fitness for IVF involves microscopic examination of the embryo's physical characteristics, such as cell shape, which is time-consuming and unreliable.

Almost 130,000 women undergo IVF procedures each year in the U.S. alone, but the procedure has only a 30 percent success rate. To boost IVF success, doctors often transfer more than one embryo to the uterus, which can lead to multiple births and increases the pregnancy risks to mother and child. A better, more targeted method of embryo selection is needed, the researchers say.

The scientists describe development of a so-called microfluidic chip, about the size of a quarter. It is intended to automatically analyze the health of embryos intended for transplant by measuring how the embryo alters key nutrients in the tissue culture medium used to nurture embryos.

In laboratory studies, the researchers collected fluids surrounding 10 mouse embryos and added the fluids to the computer-controlled chip for analysis. They showed that the device could quickly (in minutes instead of hours) and accurately measure the nutrient content of the sample fluids.

Besides improving the quality of embryos chosen for IVF, the system could ultimately cut costs associated with the procedure, the scientists say.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Urbanski et al. Noninvasive Metabolic Profiling Using Microfluidics for Analysis of Single Preimplantation Embryos. Analytical Chemistry, 2008; 80 (17): 6500 DOI: 10.1021/ac8010473

Cite This Page:

American Chemical Society. "'Lab On A Chip' Improves Success Of In Vitro Fertilization." ScienceDaily. ScienceDaily, 4 September 2008. <www.sciencedaily.com/releases/2008/09/080901215003.htm>.
American Chemical Society. (2008, September 4). 'Lab On A Chip' Improves Success Of In Vitro Fertilization. ScienceDaily. Retrieved August 20, 2014 from www.sciencedaily.com/releases/2008/09/080901215003.htm
American Chemical Society. "'Lab On A Chip' Improves Success Of In Vitro Fertilization." ScienceDaily. www.sciencedaily.com/releases/2008/09/080901215003.htm (accessed August 20, 2014).

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