Sex Education: Education which increases the knowledge of the functional, structural, and behavioral aspects of human reproduction.Religion and SexPregnancy in Adolescence: Pregnancy in human adolescent females under the age of 19.Masturbation: Sexual stimulation or gratification of the self.Sexual Abstinence: Refraining from SEXUAL INTERCOURSE.Sexual Behavior: Sexual activities of humans.School Health Services: Preventive health services provided for students. It excludes college or university students.Abortion, Induced: Intentional removal of a fetus from the uterus by any of a number of techniques. (POPLINE, 1978)Coitus: The sexual union of a male and a female, a term used for human only.Contraception Behavior: Behavior patterns of those practicing CONTRACEPTION.Health Education: Education that increases the awareness and favorably influences the attitudes and knowledge relating to the improvement of health on a personal or community basis.Health Knowledge, Attitudes, Practice: Knowledge, attitudes, and associated behaviors which pertain to health-related topics such as PATHOLOGIC PROCESSES or diseases, their prevention, and treatment. This term refers to non-health workers and health workers (HEALTH PERSONNEL).Attitude: An enduring, learned predisposition to behave in a consistent way toward a given class of objects, or a persistent mental and/or neural state of readiness to react to a certain class of objects, not as they are but as they are conceived to be.Adolescent Behavior: Any observable response or action of an adolescent.Contraception: Prevention of CONCEPTION by blocking fertility temporarily, or permanently (STERILIZATION, REPRODUCTIVE). Common means of reversible contraception include NATURAL FAMILY PLANNING METHODS; CONTRACEPTIVE AGENTS; or CONTRACEPTIVE DEVICES.Students: Individuals enrolled in a school or formal educational program.Schools: Educational institutions.Sexually Transmitted Diseases: Diseases due to or propagated by sexual contact.Safe Sex: Sexual behavior that prevents or reduces the spread of SEXUALLY TRANSMITTED DISEASES or PREGNANCY.Sexuality: The sexual functions, activities, attitudes, and orientations of an individual. Sexuality, male or female, becomes evident at PUBERTY under the influence of gonadal steroids (TESTOSTERONE or ESTRADIOL), and social effects.Patient Education as Topic: The teaching or training of patients concerning their own health needs.Education, Medical, Continuing: Educational programs designed to inform physicians of recent advances in their field.Program Evaluation: Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.Education, Medical: Use for general articles concerning medical education.Teaching: The educational process of instructing.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Education: Acquisition of knowledge as a result of instruction in a formal course of study.Sex Factors: Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.Condoms: A sheath that is worn over the penis during sexual behavior in order to prevent pregnancy or spread of sexually transmitted disease.Peer Group: Group composed of associates of same species, approximately the same age, and usually of similar rank or social status.Live Birth: The event that a FETUS is born alive with heartbeats or RESPIRATION regardless of GESTATIONAL AGE. Such liveborn is called a newborn infant (INFANT, NEWBORN).Education, Continuing: Educational programs designed to inform individuals of recent advances in their particular field of interest. They do not lead to any formal advanced standing.Program Development: The process of formulating, improving, and expanding educational, managerial, or service-oriented work plans (excluding computer program development).Education, Dental: Use for articles concerning dental education in general.Education, Nursing: Use for general articles concerning nursing education.Sex Characteristics: Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.Risk-Taking: Undertaking a task involving a challenge for achievement or a desirable goal in which there is a lack of certainty or a fear of failure. It may also include the exhibiting of certain behaviors whose outcomes may present a risk to the individual or to those associated with him or her.EnglandEducational Status: Educational attainment or level of education of individuals.Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.Education, Distance: Education via communication media (correspondence, radio, television, computer networks) with little or no in-person face-to-face contact between students and teachers. (ERIC Thesaurus, 1997)Education, Medical, Graduate: Educational programs for medical graduates entering a specialty. They include formal specialty training as well as academic work in the clinical and basic medical sciences, and may lead to board certification or an advanced medical degree.IndiaInterpersonal Relations: The reciprocal interaction of two or more persons.Sex: The totality of characteristics of reproductive structure, functions, PHENOTYPE, and GENOTYPE, differentiating the MALE from the FEMALE organism.Education, Medical, Undergraduate: The period of medical education in a medical school. In the United States it follows the baccalaureate degree and precedes the granting of the M.D.Curriculum: A course of study offered by an educational institution.Education, Special: Education of the individual who markedly deviates intellectually, physically, socially, or emotionally from those considered to be normal, thus requiring special instruction.Education, Professional: Formal education and training in preparation for the practice of a profession.Education, Nursing, Continuing: Educational programs designed to inform nurses of recent advances in their fields.Socioeconomic Factors: Social and economic factors that characterize the individual or group within the social structure.Education, Graduate: Studies beyond the bachelor's degree at an institution having graduate programs for the purpose of preparing for entrance into a specific field, and obtaining a higher degree.United StatesCompetency-Based Education: Educational programs designed to ensure that students attain prespecified levels of competence in a given field or training activity. Emphasis is on achievement or specified objectives.Education, Dental, Continuing: Educational programs designed to inform dentists of recent advances in their fields.Education, Pharmacy, Continuing: Educational programs designed to inform graduate pharmacists of recent advances in their particular field.Sex Chromosomes: The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed)