Male Infertility
Sperm DNA Fragmentation
High levels of DNA damage in sperm reduce fertilisation rates, impair embryo development, and increase miscarriage risk even with normal semen parameters.
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Overview
Overview
High levels of DNA damage in sperm reduce fertilisation rates, impair embryo development, and increase miscarriage risk even with normal semen parameters.
Symptoms
Normal semen analysis but recurrent IVF failure
Recurrent miscarriage
Poor embryo quality despite good egg quality
Causes
1
Oxidative stress2
Varicocele3
Fever4
Chemotherapy5
Smoking6
Age7
InfectionHow It's Diagnosed
Sperm DNA Fragmentation Index (DFI) by SCSA, SCD, or TUNEL assay
Semen analysis
Scrotal ultrasound
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