The combination matters - distinct impact of lifestyle factors on sperm quality: a study on semen analysis of 1683 patients according to MSOME criteriaReportar como inadecuado




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Reproductive Biology and Endocrinology

, 10:115

First Online: 24 December 2012Received: 08 October 2012Accepted: 12 December 2012

Abstract

BackgroundPoor sperm quality can negatively affect embryonic development and IVF outcome. This study is aimed at investigating the influence of various lifestyle factors on semen quality according to MSOME motile sperm organelle morphology examination criteria.

Methods1683 male patients undergoing assisted reproductive technologies ART in our clinic were surveyed about their age, BMI body mass index, ejaculation frequency, nutrition, sports, sleeping habits and social behavior. Semen samples were collected and evaluation of semen parameters according to MSOME and WHO criteria was performed. Results were grouped and statistically analyzed.

ResultsAlthough single parameters had minor effects on sperm parameter, the combination of age, BMI, coffee intake, ejaculatory frequency and duration of sexual abstinence were identified as factors having a negative effect on sperm motility. Additionally, we could demonstrate that MSOME quality was reduced. The negative impact of age, BMI and coffee intake on sperm quality could be compensated if patients had a high ejaculation frequency and shorter periods of sexual abstinence.

ConclusionsCombinations of adverse lifestyle factors could have a detrimental impact on sperm, not only in terms of motility and sperm count but also in terms of sperm head vacuolization. This negative impact was shown to be compensated by higher ejaculation frequency and a shorter period of sexual abstinence. The compensation is most likely due to a shorter storage time in the male gonads, thus reducing the duration of sperms’ exposure to reactive oxygen species ROS.

KeywordsSperm quality MSOME IMSI Lifestyle BMI Ejaculation frequency Oxidative stress AbbreviationsARTAssisted reproductive technologies

BMIBody-mass index

FAOFood and Agriculture Organization of the United Nations

ICSIIntracytoplasmic Sperm Injection

IMSIIntracytoplasmic Morphologically Selected Sperm Injection

IVFIn vitro fertilization

MSOMEMotile sperm organelle morphology examination

ROSReactive oxygen species

TSCTotal sperm count

WHOWorld Health Organization.

Electronic supplementary materialThe online version of this article doi:10.1186-1477-7827-10-115 contains supplementary material, which is available to authorized users.

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