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To evaluate whether ethnicity is associated with involuntary childlessness and perceived reasons for difficulties in becoming pregnant.Cross-sectional analysis of baseline data from a longitudinal cohort.Multiethnic, community-based observational study of US women.Women in midlife (3,149), aged 42–52 years.None.Involuntary childlessness and perceived etiology of infertility.One hundred thirty-three...
Objective: To identify prospective oxidants that rapidly immobilize human sperm upon contact with human semen.Design: Inorganic, organic, and enzymatically-generated oxidants were mixed with human semen and spermicidal activity was tracked by a modified Sander-Cramer assay.Setting: Commercial and university-based laboratories.Patient(s): Semen samples obtained through a university-based andrology...
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