Breastfeeding is not an independent predictor of inter‐pregnancy interval in a population with high prevalence of contraception Open Access

Larkin, Melissa Rae (2012)

Permanent URL: https://etd.library.emory.edu/concern/etds/ks65hd12b?locale=en
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Abstract

Abstract
Breastfeeding is not an independent predictor of inter-pregnancy interval in a population with
high prevalence of contraception
Objectives: The objective of this study is to investigate the relationship between breastfeeding
and subsequent inter-pregnancy interval (IPI) in a cohort of Georgia mothers. This study aims to
supplement the existing literature on breastfeeding and IPI by investigating a population in
which contraception use is high and by controlling for various potential confounders not
included in previous studies. Methods: Two commonly available maternal and child health
databases were linked by a common identifier to create a population-based cohort of mothers
with index and subsequent births in Georgia. Two models, one including ever breastfeeding
after an index pregnancy with covariates, and one including exclusive breastfeeding after an
index pregnancy with covariates were assessed for association with subsequent IPI. Ideal IPI
was considered greater than 18 months. Results: No significant association was found
between ever breastfeeding or exclusive breastfeeding and IPI. African American race was
significantly associated with shorter IPIs, and contraception use was significantly associated with
longer IPIs. Conclusion: While increasing the prevalence of breastfeeding, especially exclusive
breastfeeding, is an important public health goal, interventions to lengthen IPI should focus on
other exposures, such as health education, access to and utilization of family planning services
and contraception for underserved populations.

Table of Contents

Table of Contents

Chapter 1. Background.................................................................................................................... 1
Chapter 2. Manuscript .................................................................................................................. 14
Chapter 3. Discussion .................................................................................................................... 27
References ..................................................................................................................................... 32
Tables ............................................................................................................................................. 36

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