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Results for “Abortion Rate”

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At least 19 recordsLinked to original sources
PubMed1982

Social, spatial and political determinants of U.S. abortion rates.

Abortion rates in the United States have risen annually since the 1973 Supreme Court decision. The regions with the greatest rate increases are the Southern and Plains states; the lowest rate increases were in regions which had high abortion rates soon after abortion was legalized. While spatial contiguity appears to influence abortion rates, that is, states with high rates of abortion are clustered spatially, social and political influence are also evident. Ratification of the equal rights amendment, the seeking of abortion outside the state of residence, and the degree of urbanization within a state are variables which influenced U.S. abortion rates between 1973 and 1977.

Abortion, Legal↗
PubMed1975

Fertility rates and abortion rates: simulations of family limitation.

A computerized model that simulates reproductive events during the childbearing years of a cohort of women is used to analyze the impact of contraception and induced abortion on fertility. Four different reproductive regimens are investigated: (2) contraception only, (2) abortion only, (3) abortion as a backstop to contraception, and (4) combinations of abortion and contraception. It is concluded that in historical as well as in modern populations, levels of fertility near replacement are unlikely to be obtained without the use of induced abortion.

Abortion, Induced↗
PubMed1989

Evaluation of variations in pregnancy rates, implantation rates and early abortion rates within an in-vitro fertilization programme.

Despite the application at this clinic of a standardized programme for in-vitro fertilization of human oocytes over the last 27 months, great variations in the rates of implantation, clinical pregnancy and early abortion have been observed during certain periods. A retrospective evaluation of these results showed that these variations occurred in periods when various commercially available batches of Earle's medium (the medium was the only variable changed during the 27 months) were used and that two sub-optimal batches of Earle's medium from one of the sources used during one of three periods (period 2) was most likely to be responsible for sub-optimal embryo quality and, consequently, for a halving of the pregnancy rate (30 versus 15%) and of the implantation rate (11 versus 5%) and an increase in the early abortion rate (23 versus 50%). It is concluded that the quality of the culture medium is of major importance for the success of an IVF programme. The factor(s) in the medium responsible for the decrease in embryo quality has not been identified.

Abortion, Spontaneous↗
PubMed1997

The role of access in explaining state abortion rates.

The likelihood of having an abortion in the U.S.A. is strongly dependent upon where a woman lives. Abortion rates vary markedly from state to state, and these variations have been increasing, especially in recent years. Path analysis shows the causal structure of public demand and access variables that determined state abortion rates in 1991 and 1992. Access variables, including the restrictiveness of state laws regulating abortion, state funding of abortions for poor women and the availability of hospital abortions, affect abortion rates directly. Greater accessibility leads to higher abortion rates. Public demand variables affect abortion rates both directly and indirectly through access conditions. The number of women at risk of unintended pregnancies leads to higher abortion rates directly and indirectly through its effects on medical access. Per capita income, percent Catholic, and percent of the population born outside the state affect abortion rates indirectly through the access variables. High per capita income leads directly to greater availability of hospital abortions, higher levels of state funding of abortions for poor women, less restrictive state abortion laws, and indirectly to higher abortion rates. States with large non-native populations have less restrictive abortion laws and higher abortion rates. The presence of a large Catholic population reduces the number of hospitals offering abortion services and leads indirectly to lower abortion rates. The interaction of public demand and access at the state level creates geographically varying environments in which abortion decisions are made.

Abortion, Legal↗