Nutrition in pregnancy
Diet planning and postpartum continuity.
Open informationMetabolism during pregnancy
Glucose screening and gestational diabetes
The O’Sullivan test is a screening test. An altered result does not automatically diagnose gestational diabetes.
- Obstetric consultation
- Advanced ultrasound
- Laboratory and screening
- Late-pregnancy monitoring
- Nutrition
Complementary follow-upAskabide + Osakidetza · birth at the reference hospital
How screening is usually performed
- A defined glucose load is taken.
- A blood sample is collected at the protocol time.
- Preparation and fasting requirements must be confirmed with the centre.
- Nausea or discomfort may occur; tell staff if you cannot tolerate the solution.
If screening is altered
The result may indicate the need for confirmatory testing, commonly an oral glucose tolerance test or another protocol-based approach. Screening alone should not be labelled as diabetes.
Interpretation uses the relevant laboratory/protocol thresholds and clinical context.
If gestational diabetes is confirmed
The plan may include dietary education, glucose monitoring, adapted exercise and obstetric surveillance. Some patients need medication or referral to a specific pathway.
Dr Odriozola can support nutrition within a coordinated plan without replacing obstetric or endocrine recommendations.
After birth
Gestational diabetes commonly improves after birth but increases future metabolic risk. Follow the postpartum testing plan provided by the care team.
Clinical sources
General information only. It does not replace an individual medical assessment or recommendation.
Reviewed 19 August 2026