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Application of comprehensive chromosome screening could improve IVF success

Date:
October 26, 2016
Source:
Taylor & Francis
Summary:
An increase in the frequency of polymorphic variants among infertile patients compared with fertile donors suggest they have an impact on fertility, report scientists.
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An increase in the frequency of polymorphic variants among infertile patients compared with fertile donors suggest they have an impact on fertility.

Chromosomal polymorphisms have an impact on fertility, increasing the chromosomal abnormalities in male gametes and embryos. While previous studies have reported a higher incidence of chromosomal polymorphisms in infertile patients, the relationship between these variants and infertility is still unclear.

"Chromosomal polymorphic variants increase aneuploidies in male gametes and embryos" examines the relationship between polymorphisms and infertility. The study and its findings were published in the latest issue of Systems Biology in Reproductive Medicine. The results showed an increase in the frequency of polymorphic variants among infertile patients compared with fertile donors, suggesting they have an impact on fertility.

Further results revealed that female polymorphism carriers have a higher risk for embryo aneuploidy than females with a normal karyotype.

"The application of a comprehensive chromosome screening to select euploid embryos could improve IVF success rates among chromosomal polymorphism carriers," Article co-author Ruth Morales of IB Biotech in Alicante, Spain explains. "One may consider withdrawing donated oocytes with polymorphic variants from the donation program, and analysing the rate of sperm aneuploidy in sperm donors carrying a polymorphism.


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Journal Reference:

  1. Ruth Morales, Belén Lledó, José A. Ortiz, Jorge Ten, Joaquin Llácer, Rafael Bernabeu. Chromosomal polymorphic variants increase aneuploidies in male gametes and embryos. Systems Biology in Reproductive Medicine, 2016; 62 (5): 317 DOI: 10.1080/19396368.2016.1212949

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Taylor & Francis. "Application of comprehensive chromosome screening could improve IVF success." ScienceDaily. ScienceDaily, 26 October 2016. <www.sciencedaily.com/releases/2016/10/161026102656.htm>.
Taylor & Francis. (2016, October 26). Application of comprehensive chromosome screening could improve IVF success. ScienceDaily. Retrieved May 24, 2017 from www.sciencedaily.com/releases/2016/10/161026102656.htm
Taylor & Francis. "Application of comprehensive chromosome screening could improve IVF success." ScienceDaily. www.sciencedaily.com/releases/2016/10/161026102656.htm (accessed May 24, 2017).

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