Mix-up of sperm, partner

Record number: 
Adverse Occurrence type: 
MPHO Type: 
Estimated frequency: 
Several similar reports from different laboratories/clinics. Two in 2012
Alerting signals, symptoms, evidence of occurrence: 
Mix-up of sperm of two partners for IUI on the same day
Demonstration of imputability or root cause: 
Active identification, double check. Sperm taken from wrong tube. Two tubes from different partners available in the room. Discovered before the other couple had IUI.
Suggest references: 
TRIP annual report 2012 Biovigilance