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Extra Sperm Analysis Could Help Involuntarily Childless Couples

January 25, 2016 By Lund University

New research findings from Lund University in Sweden show that a simple analysis of chromosomal breaks in sperms can facilitate choice of the most efficient treatment and, thereby, increase chances of successful assisted reproduction in involuntary childless couples.   

Sperm DNA Fragmentation Index (DFI) is a method for analyzing semen quality that shows presence of chromosomal breaks in sperms. The method complements other more well-known analytical methods available for assessing semen quality, such as assessment of sperm number quantity, motility and morphology.

A new study, which is the largest study within this field of research so far, now shows that DFI analysis can be used for selecting the most efficient treatment to involuntarily childless couples. The study is based on analyses of more than 1 600 such couples referred to the Reproductive Medicine Centre at Skåne University Hospital in Malmö for help. All the men who participated in the study underwent DFI analysis.

Chromosomal breaks are more frequent in men with a high DFI, which is linked to lower fertility. The couples who participated in the study underwent assisted reproduction, either through the standard method called IVF (in vitro fertilization) or the more advanced – ICSI (intracytoplasmic sperm injection).

In standard IVF the harvested egg is mixed with a large number of sperms in a test tube. The goal is that the fertilization will succeed without further measures or assistance. ICSI involves selecting a single viable sperm cell that is then injected into the egg through a needle.

“In couples where the man had many chromosomal breaks, their best chance of becoming pregnant was to use ICSI rather than IVF. The DFI analysis thereby makes it possible to personalize treatment and increase the chances of having children,” says Krzysztof Oleszczuk, PhD student at Lund University and senior consultant at Skåne University Hospital.

“We hope that the results will result in involuntarily childless couples being offered the most effective treatment right away. Undergoing unsuccessful assisted reproduction can be very stressful – both physically and mentally – especially when doing so on repeated occasions”, explains Aleksander Giwercman, professor at Lund University and consultant at Skåne University Hospital.

In order to confirm these results a follow-up multicenter study is currently underway, in which three hospitals in the greater Copenhagen area participate within the scope of the EU funded research collaboration in the Öresund region on fertility – ReproUnion.

However, Aleksander Giwercman is looking forward to immediately transferring this new knowledge into practice at the Reproductive Medicine Centre at Skåne University Hospital in Malmö. For a long time, the clinic has emphasized the importance of conducting a thorough analysis, both in terms of research and treatment, of women and men in couples that are involuntarily childless:

“Traditionally the main focus has been on the woman in cases where couples have difficulties to conceive. But our research and experience show that it is important to thoroughly study both partners”, says Aleksander Giwercman.

The study is published in the medical journal Andrology.

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