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Related Experiment Videos

Abortion surveillance, 1986-1987.

L M Koonin1, H K Atrash, J C Smith

  • 1Statistics and Computer Resources Branch, Division of Reproductive Health, Center for Chronic Disease Prevention and Health Promotion.

MMWR. CDC Surveillance Summaries : Morbidity and Mortality Weekly Report. CDC Surveillance Summaries
|June 1, 1990
PubMed
Summary
This summary is machine-generated.

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Legal abortion numbers reported to the CDC remained stable between 1980 and 1987. In 1986-1987, abortion rates and ratios showed minimal changes, with most procedures occurring in the first trimester.

Area of Science:

  • Reproductive Health
  • Public Health Surveillance
  • Demography

Background:

  • Legal abortion reporting to the Centers for Disease Control and Prevention (CDC) has been monitored since 1980.
  • Annual variations in reported legal abortions have been minimal, generally less than 3%.

Purpose of the Study:

  • To present key statistics on legal abortions in the United States for 1986 and 1987.
  • To analyze trends in abortion numbers, ratios, and rates.
  • To describe demographic characteristics of women undergoing abortions and gestational age at the time of procedure.

Main Methods:

  • Analysis of reported data from the CDC.
  • Calculation of abortion numbers, ratios (per 1,000 live births), and rates (per 1,000 women aged 15-44).
  • Examination of demographic factors and gestational age based on reported cases.

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Main Results:

  • In 1986, 1,328,112 abortions were reported; in 1987, this increased to 1,353,671 (a 2% rise).
  • The abortion ratio was 354/1,000 live births in 1986 and 356/1,000 in 1987.
  • The abortion rate was 23/1,000 women (15-44) in 1986 and 24/1,000 in 1987.
  • Higher abortion ratios were observed among minority races and women under 15.
  • Typical demographic profile: young, white, unmarried, nulliparous women undergoing their first abortion.
  • Over 85% of abortions occurred in the first trimester (before 13 weeks gestation); half before 8 weeks.

Conclusions:

  • Legal abortion statistics reported to the CDC indicate stability in numbers, ratios, and rates during 1986-1987.
  • Demographic patterns show abortions are more common among younger, unmarried, minority women, often as a first-time procedure.
  • The majority of abortions are performed early in pregnancy, within the first trimester.