Associations Between Late-Night Shift Work and Perinatal Outcomes: A Nationwide Cross-Sectional Study Using JACSIS and JASTIS Data.

ABSTRACT:

Aim

This study investigated associations between late-night shift work and perinatal outcomes.

Methods

Participants were pregnant women with recorded perinatal outcomes (late-night shift group, 626 cases; non-late-night shift group, 6633 cases) identified from two Japanese Internet surveys. We analyzed the association between late-night shift work and adverse perinatal outcomes. Furthermore, we examined factors associated with the use of Maternal Health Management and Guidance Cards.

Results

The late-night shift group had significantly higher rates of threatened miscarriage, premature rupture of membranes (PROM), use of the Maternal Health Management and Guidance Card, health problems requiring hospitalization, fetal health problems, and infectious diseases compared w

SUBMITTER: Tanaka Y 

PROVIDER: S-EPMC12905467 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature