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  • Title: [Contraceptive practice in Mexico: two five-year periods, two different patterns (1976-1977 to 1987)].
    Author: Llera S.
    Journal: Estud Demogr Urbanos Col Mex; 1990; 5(3):535-67, 823-4. PubMed ID: 12284798.
    Abstract:
    This work uses data from the 1976-77 Mexican Fertility Survey, the 1982 National Demographic Survey, and the 1987 National Fertility and Health Survey to analyze fertility and contraceptive behavior among Mexican women in the 2 5-year periods from 1976-82 and 1982-87. The proportion of fertile-aged women in union using a method increased from 41.6% in 1976-77 to 58.8% in 1982 and 61.4% in 1989. The most significant gains in use of the more effective methods as in contraceptive prevalence occurred in the 1st 5-year period. The proportion of women sterilized increased from 3.73% in 1977 to 16.6% in 1982 and 21.7% in 1987, equivalent to increases over the 2 5-year periods of 345.7% and 30.7%. Female sterilization was the only method whose use increased constantly over the period. Use of the IUD was almost unchanged between 1977-82, while use of oral contraceptives and injectables both declined from 1982 to 1987 after increasing over the preceding 5 years. Contraceptive usage increased intensely in all subgroups of women studied between 1976-82, but in the 2nd period from 1982 to 1987 contraceptive usage declined significantly in some subgroups. Contraceptive prevalence among women in urban and metropolitan areas increased systematically after 1977. Rural women increased their use from 22.5% in 1977 to 48.6% in 1982. 5 years later the proportion of rural users had declined to 45.3% although it was still well above the level of 1976-77. The most significant increase in contraceptive usage among illiterate women and those with primary educations occurred from 1976 to 1982. In 1987 women with primary and higher levels of education demonstrated increases in contraceptive usage compared with 1982, but contraceptive usage among illiterate women declined from 40.8% in 1982 to 28.9% in 1987. Data from the 3 surveys demonstrate low but increasing rates of use among women 15-19 years old, who may be in the process of developing a new fertility pattern characterized by longer birth intervals. Women in the middle reproductive years had higher rates of use showing little change from 1982 to 1987 and unlikely to show great change in the future due to their already high level. Women aged 40-44 showed systematic increases in use from 1976 to 1987, but women aged 45-49 increased their use only from 32.6% in 1977 to 39.0% in 1987. The declines in age differentials in contraceptive prevalence from 1982 to 1987 demonstrate that age is losing weight as an explanatory factor. Between 1976-77 and 1982, women of all parities increased their contraceptive usage substantially. Women with 3 or fewer children continued to increase their usage through 1987, but usage among women with 4 or more children actually declined between 1982-87. The results suggest that a small proportion of rural, less educated, and high parity women may have returned to their former patterns of uncontrolled fertility. Nevertheless, fertility differentials were much smaller in 1987 than in 1976-77.
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