Gender, Municipal, Public Health

U.S. rates of unintended pregnancy at the state level

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Last updated: March 15, 2013

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A wide range of studies have shown that unintended pregnancies are associated with a number of negative health impacts for infants and parents — delayed or insufficient prenatal care, alcohol or tobacco use during pregnancy, premature birth and low birth weight, among others.

The rate of unintended pregnancy in the United States is in constant flux, rising for some groups as it falls for others. From 1994 and 2001, it dropped among adolescents, college graduates and higher-income women while it increased among women with lower incomes and less education. While regional data was once insufficient to estimate state-level rates, the Centers for Disease Control and Prevention’s Pregnancy Risk Assessment Monitoring System (PRAMS) has been joined by a growing number of U.S. jurisdictions.

Using data from PRAMS, state-level data on abortions, and other sources, researchers at the Guttmacher Institute calculated unintended pregnancy rates for all 50 U.S. states. (The researchers state that a pregnancy is considered unintended “if the woman reported that it was mistimed (i.e., she had wanted to become pregnant, but at a later date) or unwanted (i.e., she had not wanted to become pregnant then or at any time).” The 2011 study, “Unintended Pregnancy Rates at the State Level,” was published in 2011 in the journal Perspectives on Sexual and Reproductive Health.

The study’s findings include:

  • In 2006, the median U.S. rate of unintended pregnancies was 51 per 1,000 women ages 15 to 44. Most states’ rates were between 40 and 65 unintended pregnancies per 1,000 women.
  • Among all pregnancies at the state level, the median rate of unintended pregnancies was 53%. “In 29 states and the District of Columbia, more than half of pregnancies were unintended; in nine, a consistent upward trend in unintended pregnancy rates between 2002 and 2006 was apparent; no state had a consistent decline.”
  • The state with the highest rate of unintended pregnancies was Mississippi, 69 per 1,000 women, followed by California, Delaware, the District of Columbia, Hawaii and Nevada (66 to 67 per 1,000).
  • New Hampshire had the lowest rate, 36 per 1,000 women, followed by followed by Maine, North Dakota, Vermont and West Virginia (37 to 39 per 1,000 women).
  • The relationship between intended and unintended pregnancy rates varied widely from state to state. “Delaware had one of the highest unintended pregnancy rates (66 per 1,000 women) but a relatively low intended rate (45). New Hampshire’s unintended and intended pregnancy rates were both low (36 and 42, respectively), while Nevada’s were both high (66 and 60, respectively).”
  • The ratio of unintended pregnancies ending in abortion and birth also vary widely. “Many states with high proportions of unintended pregnancies ending in abortion are ones where abortion access is relatively good, while several states with low proportions ending in abortion are ones in which access to abortion is more limited.”
  • Overall, the results suggest evidence of an upward trend in the unintended pregnancy rate in some states, but the evidence is unclear.

Demographic and socioeconomic factors are likely a major contributor to state-level variation in unintended pregnancy rates, the researchers say. Less clear is the role of states’ family-planning services, the accessibility of abortions, sex education policies and contraceptive coverage.

“Efforts to reduce unintended pregnancy rates by focusing only on reducing abortions (e.g., by restricting access to the procedure) would seem less likely to succeed than efforts that increase access to and use of contraceptives, particularly in states with a high proportion of unintended pregnancies ending in birth,” the researchers state. “In fact, at the national level, declines in the abortion rate have not been accompanied by declines in the unintended pregnancy rate.”

Tags: children, youth


Writer: | March 15, 2013

Citation: Finer, Lawrence; Kost, Kathryn. "Unintended Pregnancy Rates at the State Level", Perspectives on Sexual and Reproductive Health, May 2011, Vol 43, Issue 2. doi:10.1363/4307811.

Analysis assignments

Read the issue-related New York Times article titled "Posters on Teenage Pregnancy Draw Fire."

  1. What key insights from the news article and the study in this lesson should reporters be aware of as they cover these issues?

Read the full study titled “Unintended Pregnancy Rates at the State Level.”

  1. What are the study's key technical terms? Which ones need to be put into language a lay audience can understand?
  2. Do the study’s authors put the research into context and show how they are advancing the state of knowledge about the subject? If so, what did the previous research indicate?
  3. What is the study’s research method? If there are statistical results, how did the scholars arrive at them?
  4. Evaluate the study's limitations. (For example, are there weaknesses in the study's data or research design?)
  5. How could the findings be misreported or misinterpreted by a reporter? In other words, what are the difficulties in conveying the data accurately? Give an example of a faulty headline or story lead.

Newswriting and digital reporting assignments

  1. Write a lead, headline or nut graph based on the study.
  2. Spend 60 minutes exploring the issue by accessing sources of information other than the study. Write a lead (or headline or nut graph) based on the study but informed by the new information. Does the new information significantly change what one would write based on the study alone?
  3. Compose two Twitter messages of 140 characters or fewer accurately conveying the study’s findings to a general audience. Make sure to use appropriate hashtags.
  4. Choose several key quotations from the study and show how they would be set up and used in a brief blog post.
  5. Map out the structure for a 60-second video segment about the study. What combination of study findings and visual aids could be used?
  6. Find pictures and graphics that might run with a story about the study. If appropriate, also find two related videos to embed in an online posting. Be sure to evaluate the credibility and appropriateness of any materials you would aggregate and repurpose.

Class discussion questions

  1. What is the study’s most important finding?
  2. Would members of the public intuitively understand the study’s findings? If not, what would be the most effective way to relate them?
  3. What kinds of knowledgeable sources you would interview to report the study in context?
  4. How could the study be “localized” and shown to have community implications?
  5. How might the study be explained through the stories of representative individuals? What kinds of people might a reporter feature to make such a story about the study come alive?
  6. What sorts of stories might be generated out of secondary information or ideas discussed in the study?

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Gay adoption -   - Page 3 - City-Data Forum Mar 28, 2013 17:16

[...] Maybe you are unaware but birth control fails. In this country 5% of unplanned pregnancies are due to contraceptive failure. That is about 2-3% per 1000 women a year or about 120,000 pregnancies a year due to contraception failure. Given that only 20% of those are teens, that means there are 80,000 women a year who might be in the position of being "mature, financially stable..has la lot of support" and potentially considering adoption. U.S. Rates of Unintended Pregnancy at the State Level – Journalist's Resource: Research f… [...]

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