BCAHSBristol County Agricultural High School (est. 1912; Dighton, MA)
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First, the BCAHS cohorts are provincially-representative surveys, conducted with fidelity of methods over the decade between 1992 and 2003.
The 2008 BCAHS is currently under way, and includes most of the same measures as previous surveys, allowing us to eventually document whether the trends continue or alter.
01 except where noted (NS) (a) Among female teens who have ever had intercourse (b) All lesbian students reported two or more lifetime sexual partners Table 4 Trends in prevalence of pregnancy involvement and related risk exposures by orientation in BCAHS 1992,1998, and 2003 Male % 1992 1998 2003 Heterosexual teens Ever had sexual intercourse 35.