학술논문
Association of interpregnancy interval and risk of adverse pregnancy outcomes in woman by different previous gestational ages
Document Type
article
Author
Source
Chinese Medical Journal, Vol 137, Iss 1, Pp 87-96 (2024)
Subject
Language
English
ISSN
0366-6999
2542-5641
00000000
2542-5641
00000000
Abstract
Abstract. Background:. With an increasing proportion of multiparas, proper interpregnancy intervals (IPIs) are urgently needed. However, the association between IPIs and adverse perinatal outcomes has always been debated. This study aimed to explore the association between IPIs and adverse outcomes in different fertility policy periods and for different previous gestational ages. Methods:. We used individual data from China's National Maternal Near Miss Surveillance System between 2014 and 2019. Multivariable Poisson models with restricted cubic splines were used. Each adverse outcome was analyzed separately in the overall model and stratified models. The stratified models included different categories of fertility policy periods (2014-2015, 2016-2017, and 2018-2019) and infant gestational age in previous pregnancy (