Hansen KR, Peck JD, Coward RM, Wild RA, et al. Intrauterine insemination performance characteristics and post-processing total
motile sperm count in relation to live birth for couples with unexplained
infertility in a randomised, multicentre clinical trial. Hum Reprod 2020 May 20. pii: 5840885. doi: 10.1093.
PMID: 32432326