%0 Journal Article %T Biological Validation of Self-Reported Unprotected Sex and Comparison of Underreporting Over Two Different Recall Periods Among Female Sex Workers in Benin %A Dissou Affolabi %A Djimon M Zannou %A Ella Goma-Mats¨¦ts¨¦ %A Fernand A Gu¨¦dou %A Flore Gangbo %A Fran£¿ois A Leblond %A Katia Gigu¨¨re %A Luc B¨¦hanzin %A Michel Alary %A Moussa Bachabi %A Ren¨¦ K K¨ºk¨º %J Archive of "Open Forum Infectious Diseases". %D 2019 %R 10.1093/ofid/ofz010 %X Self-reported unprotected sex validity is questionable and is thought to decline with longer recall periods. We used biomarkers of semen to validate self-reported unprotected sex and to compare underreporting of unprotected sex between 2 recall periods among female sex workers (FSW) %K female sex workers %K misreporting %K prostate-specific antigen %K sexual behavior %K Y-chromosomal DNA %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6364862/