Association of interpregnancy interval with hypertensive disorders of pregnancy: a retrospective cohort study.
Luo M; Wang Y; Wang Y; Zhao J; Gao J · 2026 · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Objective The optimal interpregnancy interval (IPI) for preventing hypertensive disorders of pregnancy (HDP) remains unclear, and whether this association is modified by maternal baseline characteristics has not been well established. This…
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Metadata source: Europe PMC · DOI 10.1080/14767058.2026.2661436