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Other clinical scenarios: Cryptozoospermia
Meta-analyses
Abhyankar et al. FS 2016
Rare sperm in fresh ejaculate
• Four studies reporting pregnancy outcome; 91 cycles
• Relative risk Pregnancy success: 0.53 (0.19-1.42); I2=67%
Kang et al. Sci Rep 2018
• Five studies reporting pregnancy outcome; 368 cycles
• Relative risk Pregnancy success: 1.74 (1.20-2.52); I2=27%
Bendikson 2008 Hauser 2011 Ben-Ami 2013 Kalabichi 2016 Cui 2016
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