Oral glucose tolerance test in first trimester of pregnancy

Single center study to assess the feasibility of undertaking an oral glucose tolerance test in first trimester of pregnancy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN18906333

Enrollment

Registered

2016-01-23

Start date

2016-02-10

Completion date

Unknown

Last updated

2016-10-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gestational diabetes Nutritional, Metabolic, Endocrine Gestational diabetes

Interventions

After fasting for 8-12 hours pre-test before a fasting blood glucose measurement is taken. Participants then consume a drink containing 75g glucose and blood glucose measurements are repeated at 1 and

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Female participants 2. Pregnancy between 11-14 weeks gestation confirmed by ultrasound scan 3. Able to give informed consent 4. Aged 18 years or over

Exclusion criteria

Exclusion criteria: 1. Pre-existing diabetes 2. Unable to provide informed consent 3. Under 18 years of age 4. Hyperemesis gravidum

Design outcomes

Primary

Measure	Time frame
Rate of successful completion of OGTT, as defined as the percentage of participants who complete the intervention, is determined at the end of the study period.	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026