title: [Contraceptive practices among adolescents and youths of the metropolitan area of Mexico City].
abstract: The purpose of this article is to provide a brief description of the information that the adolescent and youth population of Mexico City has concerning the knowledge and use of contraceptive methods, as well as the reasons why they do not adopt some contraceptive method during their sexual relations. The data obtained from the Survey on Adolescent and Youth Reproductive Behavior in the Metropolitan Area of Mexico City serves as a basis for pointing out several behavior patterns of the male and female population from 10 to 25 years of age. Of those interviewed, 32.7 per cent had had at least one sexual contact; the average age at which sexual relations had begun was 16 years for males and 17 for females. A total of 33.8 per cent of those who had had sexual contact stated that they had used some form of contraception, the principal methods used during first sexual intercourse being rhythm (36.9%); withdrawal (23.6%), and condoms (12.3%). The reasons for not using any contraceptive method were as follows: lack of knowledge regarding the methods, how to use them or where to obtain them (39.4%), and unplanned sexual intercourse (28.9%). During the last sexual contact they had, 70.5 per cent had used a contraceptive. The methods most frequently used were hormonal contraceptives and IUD (40.9%); rhythm (23.8%), and withdrawal and condoms. The reasons why no contraceptive was used in the last sexual contact were: neither partner thought that pregnancy would occur (27.1%) and the sexual contact was unplanned.
authors.forename: J
authors.initials: J
authors.lastname: García-Baltazar
authors.forename: J G
authors.initials: JG
authors.lastname: Figueroa-Perea
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D002648:Child; D003268:Contraception Behavior; D003275:Contraceptive Devices, Male; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D011247:Pregnancy; D012725:Sexual Behavior; D014505:Urban Population
chemical_list: D003278:Contraceptives, Oral, Hormonal
vernacular_title: Práctica anticonceptiva en adolescentes y jóvenes del área metropolitana de la Ciudad de México.