Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Meningococcal Vaccine With or Without Co-administration of Cervarix and Boostrix in Female Adolescents and Young Adults

Inclusion Criteria: * Subjects and subjects' parent(s)/Legally Acceptable Representative(s) \[LAR(s)\] who, in the opinion of the investigator, can and will comply, with the requirements of the protocol. * A female between, and including, 9 and 25 years of age at the time of the first vaccination. * Written informed consent obtained from parents/guardian of the subject and written informed assent obtained from the subject if the subject is less than legal age, or written informed consent obtained from the subject if the subject has achieved legal age. The legal age will be determined according to local regulations in each participating country. * Healthy subjects as established by medical history and clinical examination before entering into the study. * Female subjects of non-childbearing potential may be enrolled in the study. * Non-childbearing potential is defined as pre-menarche, current tubal ligation, hysterectomy, ovariectomy or post-menopause. * Female subjects of childbearing potential may be enrolled in the study, if the subject: * has practiced adequate contraception for 30 days prior to vaccination, and * has a negative pregnancy test on the day of vaccination, and * has agreed to continue adequate contraception during the entire treatment period and for 2 months after completion of the vaccination series. Exclusion Criteria: * Child in care. * Use of any investigational or non-registered product other than the study vaccine(s) within 30 days precedi…