Sperm quality and absence of SARS-CoV-2 RNA in semen after COVID-19 infection: a prospective, observational study and validation of the SpermCOVID test.

Objective: To study the contagiousness of sperm and its influence on fertility after recovery from COVID-19 infection.

Design: Prospective cohort study.

Setting: University medical center.

Infectious human papillomavirus virions in semen reduce clinical pregnancy rates in women undergoing intrauterine insemination.

Objective: To study the influence of human papillomavirus (HPV) virions present in different sperm fractions of male partners of women undergoing IUI on fertility outcome.

Design: Prospective noninterventional multicenter study.

Setting: Inpatient hospital fertility centers.

Linear viral load increase of a single HPV-type in women with multiple HPV infections predicts progression to cervical cancer.

Persistent high-risk human papillomavirus (HPV) infection is strongly associated with development of high-grade cervical intraepithelial neoplasia or cancer (CIN3+). In single type infections, serial type-specific viral-load measurements predict the natural history of the infection. In infections with multiple HPV-types, the individual type-specific viral-load profile could distinguish progressing HPV-infections from regressing infections.

Human Papillomavirus Positivity in Women Undergoing Intrauterine Insemination Has a Negative Effect on Pregnancy Rates.

Background: Sexually transmitted infections are a major cause of infertility. Human papillomavirus (HPV) infection is one of the most common viral infections of the female genital tract. Only a limited number of studies have investigated the influence of HPV on fertility and its impact remains controversial.

Serial type-specific human papillomavirus (HPV) load measurement allows differentiation between regressing cervical lesions and serial virion productive transient infections.

Persistent high-risk human papillomavirus (HPV) infection is strongly associated with the development of high-grade cervical intraepithelial neoplasia (CIN) or cancer. Not all persistent infections lead to cancer. Viral load measured at a single time-point is a poor predictor of the natural history of HPV infections.

Definition of a type of abnormal vaginal flora that is distinct from bacterial vaginosis: aerobic vaginitis.

Objective: To define an entity of abnormal vaginal flora: aerobic vaginitis.

Design: Observational study.

Setting: University Hospital Gasthuisberg, Leuven, Belgium.