Whether a 17-year-old girl can legally have sexual intercoursevaries from one jurisdiction to another. The "age of consent" istypically between 16 and 18 years, in most jurisdictions.Also, somejurisdictions have exceptions in the case of a marriage.So, the situation really depends on the specific jurisdiction,i.e., country - or in some cases, such as the United States,individual states (or other regions) within the country.