Association of interpregnancy interval with adverse pregnancy outcomes according to the outcomes of the preceding pregnancy: a longitudinal study with 4.7 million live births from Brazil

Earlier studies have proposed a link between the Interpregnancy Interval (IPI) and unfavorable birth outcomes. However, it remains unclear if the outcomes of previous births could affect this relationship. We aimed to investigate whether the occurrence of adverse outcomes–small for gestational age (...

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Bibliographic Details
Published in:Lancet Regional Health - Americas (Online) 2024-02, Vol.30, p.100687-100687, Article 100687
Main Authors: Tedde, João Guilherme G., Cerqueira-Silva, Thiago, Lagrosa Garcia, Sidney A., Amira, Brenda V., Rodrigues, Laura C., Barreto, Mauricio L., Rocha, Aline S., de Cássia Ribeiro-Silva, Rita, Falcão, Ila R., Paixao, Enny S.
Format: Article
Language:English
Subjects:
Birth spacing
Interpregnancy interval
Low birth weight
Perinatal outcomes
Preterm
Small-for-gestational-age
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Summary:Earlier studies have proposed a link between the Interpregnancy Interval (IPI) and unfavorable birth outcomes. However, it remains unclear if the outcomes of previous births could affect this relationship. We aimed to investigate whether the occurrence of adverse outcomes–small for gestational age (SGA), preterm birth (PTB), and low birth weight (LBW)–at the immediately preceding pregnancy could alter the association between IPI and the same outcomes at the subsequent pregnancy. We used a population-based linked cohort from Brazil (2001–2015). IPI was measured as the difference, in months, between the preceding birth and subsequent conception. Outcomes included SGA (
ISSN:2667-193X
2667-193X
DOI:10.1016/j.lana.2024.100687