A systematic review and meta-analysis to determine the effect of sperm DNA damage on in vitro fertilization and intracytoplasmic sperm injection outcome

Sperm DNA damage is prevalent among infertile men and is known to influence natural reproduction. However, the impact of sperm DNA damage on assisted reproduction outcomes remains controversial. Here, we conducted a meta-analysis of studies on sperm DNA damage （assessed by SCSA, TUNEL, SCD, or Comet...

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Bibliographic Details
Published in:Asian journal of andrology 2017-01, Vol.19 (1), p.80-90
Main Authors: Simon, Luke, Zini, Armand, Dyachenko, Alina, Ciampi, Antonio, Carrell, Douglas
Format: Article
Language:English
Subjects:
assisted reproductive technology outcomes
clinical pregnancy
meta-analysis
sperm DNA damage
systematic review
Comet Assay
DNA Damage
DNA Fragmentation
Female
Fertilization in Vitro
Genetic aspects
Health aspects
Humans
In Situ Nick-End Labeling
Infertility, Male - therapy
Male
Observations
Original
Patient outcomes
Pregnancy
Pregnancy Rate
Reproductive technology
Sperm
Sperm Injections, Intracytoplasmic
Spermatozoa - metabolism
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Summary:Sperm DNA damage is prevalent among infertile men and is known to influence natural reproduction. However, the impact of sperm DNA damage on assisted reproduction outcomes remains controversial. Here, we conducted a meta-analysis of studies on sperm DNA damage （assessed by SCSA, TUNEL, SCD, or Comet assay） and clinical pregnancy after IVF and/or ICSI treatment from MEDLINE, EMBASE, and PUBMED database searches for this analysis. We identified 41 articles （with a total of 56 studies） including 16 IVF studies, 24 ICSI studies, and 16 mixed （IVF ＋ ICSI） studies. These studies measured DNA damage （by one of four assays： 23 SCSA, 18 TUNEL, 8 SCD, and 7 Comet） and included a total of 8068 treatment cycles （3734 IVF, 2282 ICSI, and 2052 mixed IVF ＋ ICSI）. The combined OR of 1.68 （95% Ch 1.49-1.89; P 〈 0.0001） indicates that sperm DNA damage affects clinical pregnancy following IVF and/or ICSI treatment. In addition, the combined OR estimates of IVF （16 estimates, OR = 1.65; 95% CI： 1.34-2.04; P 〈 0.0001）, ICSI （24 estimates, OR = 1.31; 95% Ch 1.08-1.59; P = 0.0068）, and mixed IVF ＋ ICSI studies （16 estimates, OR = 2.37; 95% Ch 1.89-2.97; P〈 0.0001） were also statistically significant. There is sufficient evidence in the existing literature suggesting that sperm DNA damage has a negative effect on clinical pregnancy following IVF and/or ICSI treatment.
ISSN:1008-682X
1745-7262
DOI:10.4103/1008-682x.182822