Clinical Research Directory

Inclusion Criteria: * Female, 18-49, good general health, written informed consent Regular cycles \~21-35 days with ≥4 days menstruation; can predict onset within 72 hrs History of ultra/super-plus tampon use; normally uses ≥4 ultra (15-18 g) or super-plus (12-15 g) tampons/cycle Willing to use only provided products (tampons + liners + pads) and complete diary/returns Access to a freezer to store used tampons Normal Pap within 3 yrs (or normal Pap + negative HPV within 5 yrs) Acceptable birth control ≥1 month prior and through study Willing to undergo 4 gyn exams (speculum + colposcope) over 2 cycles Exclusion Criteria: * Uncontrolled chronic disease (e.g., IDDM, HIV/AIDS); active genital herpes in last 3 yrs Menstrual abnormality (oligomenorrhea/amenorrhea) Abnormal Pap in last 3 yrs / positive HPV in last 5 yrs / gyn cancer or disorder History of TSS in last year or PID in past year Allergy/sensitivity to tampon components or exam lubricant Pregnant, planning pregnancy, nursing/lactating, or \<6 weeks post-partum Active vaginal infection, UTI, yeast infection, or hemorrhoids at exam Type B/C lesions, or Type A lesions covering \>50% of a site, at baseline