Weight variation in a cohort of women using copper IUD for contraception. 2003

Daniela Fink Hassan, and Carlos Alberto Petta, and José Mendes Aldrighi, and Luis Bahamondes, and Marcos Perrotti
Human Reproduction Unit, Department of Obstetrics and Gynecology, School of Medicine, State University of Campinas (UNICAMP), Caixa Postal 6181, 13084-971, SP, Campinas, Brazil.

The objective of this study was to assess weight changes over time in reproductive-age women using nonhormonal contraception [copper intrauterine device (IUD) users]. Baseline variables recorded included age, parity, decade when the IUD was inserted and the presence of hypertension. A total of 1697 IUD users were followed for 7 years of use. The mean age (+/- SD) of the women at the beginning of follow-up was 27.6 +/- 5.8 years and the mean height (+/- SD) was 150 +/- 10 cm. The mean weight (+/- SD) at the time of IUD insertion was 58.5 +/- 0.30 kg. After 5 and 7 years of follow-up, the mean weight (+/- SD) was 61.2 +/- 0.33 kg and 62.4 +/- 0.51 kg, respectively. At insertion, the body mass index mean (+/- SD) was 24.5 +/- 0.12 and after 3 years it was 25 +/- 0.14, remaining above 25 up to the 7th year of observation. During the 7 years of follow-up, older women gained more weight than younger women. Parity, decade of IUD insertion and hypertension were not noted to be significant determinants of weight variation. In conclusion, this cohort of lower and middle class Brazilian copper IUD users tended to gain weight during their reproductive life, independent of other factors. These observations may improve counseling of women regarding the prevention of age-related obesity.

UI MeSH Term Description Entries
D007435 Intrauterine Devices, Copper Intrauterine contraceptive devices that depend on the release of metallic copper. Copper Intrauterine Devices,Copper-Releasing IUDs,IUD, Copper Releasing,Copper Intrauterine Device,Copper Releasing IUD,Copper-Releasing IUD,Device, Copper Intrauterine,Devices, Copper Intrauterine,IUD, Copper-Releasing,IUDs, Copper-Releasing,Intrauterine Device, Copper
D010298 Parity The number of offspring a female has borne. It is contrasted with GRAVIDITY, which refers to the number of pregnancies, regardless of outcome. Multiparity,Nulliparity,Primiparity,Parity Progression Ratio,Parity Progression Ratios,Ratio, Parity Progression,Ratios, Parity Progression
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D003267 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. Birth Control,Contraceptive Methods,Female Contraception,Fertility Control,Inhibition of Fertilization,Male Contraception,Contraception, Female,Contraception, Male,Contraceptions, Female,Contraceptions, Male,Contraceptive Method,Female Contraceptions,Fertilization Inhibition,Male Contraceptions
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000367 Age Factors Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. Age Reporting,Age Factor,Factor, Age,Factors, Age
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D015331 Cohort Studies Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics. Birth Cohort Studies,Birth Cohort Study,Closed Cohort Studies,Cohort Analysis,Concurrent Studies,Historical Cohort Studies,Incidence Studies,Analysis, Cohort,Cohort Studies, Closed,Cohort Studies, Historical,Studies, Closed Cohort,Studies, Concurrent,Studies, Historical Cohort,Analyses, Cohort,Closed Cohort Study,Cohort Analyses,Cohort Studies, Birth,Cohort Study,Cohort Study, Birth,Cohort Study, Closed,Cohort Study, Historical,Concurrent Study,Historical Cohort Study,Incidence Study,Studies, Birth Cohort,Studies, Cohort,Studies, Incidence,Study, Birth Cohort,Study, Closed Cohort,Study, Cohort,Study, Concurrent,Study, Historical Cohort,Study, Incidence

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