HAPO study (Hyperglycemia and Adverse Pregnancy Outcome)

A large international study that tested the blood sugar of pregnant women with a 75 g glucose drink at 24 to 32 weeks and then followed what happened at birth. It found that higher blood sugar went with more large babies, more high insulin-related C-peptide in cord blood and more caesarean births, with no clear point at which risk suddenly rose.

Also called HAPO

  • Study
  • In this atlas

Overview

Design
Observational cohort with blinded glucose results: 75-g oral glucose-tolerance test at 24 to 32 weeks of gestation; data stayed blinded if the fasting plasma glucose was 105 mg per deciliter or less and the 2-hour value 200 mg per deciliter or less.
Phase
Not reported
Enrolled
  • 25,505 pregnant women who underwent 75-g oral glucose-tolerance testing (unknown count) (Hyperglycemia and adverse pregnancy outcomes, retrieved )
  • 23,316 participants with blinded data (analyzed count) (Hyperglycemia and adverse pregnancy outcomes, retrieved )
Sponsor
Not recorded
Funder
Not recorded
Registry
Not reported
Started
Not reported
Primary completion
Not reported
Completion
Not reported
Countries
Not reported
Care setting
15 centers in nine countries; the abstract does not name them or describe the settings. (Hyperglycemia and adverse pregnancy outcomes, retrieved )
Registry status
Not reported

Technical summary

Observational, blinded cohort. 25,505 pregnant women at 15 centers in nine countries had 75-g oral glucose-tolerance testing at 24 to 32 weeks of gestation; the analysis is of the 23,316 participants with blinded data. Results are recorded as adjusted odds ratios per 1 standard deviation in two claims on this page, one for the baby and one for the mother. The IADPSG consensus report drew on HAPO for its diagnostic thresholds. The PubMed abstract does not name the centers or countries, so none are recorded.

Arms

Not reported

Findings

No findings are published for this study.

Record details

Record id
maternal:hapo-study
Content hash
1ea5fe3157e4a523a0e53cefe66395040cf7cbf136b8a29d519b32a51e1db06d