Journal
CONTRACEPTION
Volume 98, Issue 1, Pages 52-55Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.contraception.2018.02.013
Keywords
Interpregnancy intervals; Birth spacing; Pregnancy intention; Postpartum contraception
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Funding
- NICHD NIH HHS [P2C HD041041] Funding Source: Medline
- Intramural CDC HHS [CC999999] Funding Source: Medline
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Background: The relationship between unintended pregnancy and interpregnancy interval (IPI) across maternal age is not clear. Methods: Using data from the National Survey of Family Growth, we estimated the percentages of pregnancies that were unintended among IPI groups (<6, 6-11, 12-17, 18-23, 24+ months) by maternal age at last live birth (15-19, 20-24, 25-29, 30-44 years). Results: Approximately 40% of pregnancies were unintended and 36% followed an IPI<18 months. Within each maternal age group, the percentage of pregnancies that were unintended decreased as IPI increased. Conclusion: Unintended pregnancies are associated with shorter IPI across the reproductive age spectrum. Published by Elsevier Inc.
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