Absence of evidence on whether exercise can prevent gestational diabetes

A pregnant woman

Research has shown that light to moderate exercise during pregnancy is beneficial for mother and baby alike.  It has also been shown to prevent type 2 diabetes in men and non-pregnant women.  This Cochrane review looked at whether it can prevent diabetes in pregnant women. Clinical question: In pregnant women, does exercise prevent gestational diabetes? [read the full story…]

Diagnostic criterial predict adverse pregnancy outcomes in gestational diabetes.

Taking a blood test during pregnancy

There remains some uncertainty about the best diagnostic criteria for gestational diabetes mellitus (GDM).  This systematic review set out to test the ability of different glucose levels after a 75g oral glucose tolerance test (OGTT) to predict adverse pregnancy outcomes. Clinical question: In women with gestational diabetes, what is the risk of adverse outcomes? The [read the full story…]

American Diabetes Association: Standards of Care 2012

Logo of the American Diabetes Association

The latest edition of Diabetes Care contains the most recent guidance from the American Diabetes Association. These standards of care are intended to provide clinicians, patients, researchers, payers, and other interested individuals with the components of diabetes care, general treatment goals, and tools to evaluate the quality of care. The guidelines address: Classification and diagnosis [read the full story…]

Treating mild gestational diabetes may be cost-effective.

Taking a blood test during pregnancy

An economic evaluation has recently been evaluated by the Centre for Reviews and Dissemination (CRD).  They concluded that treatment for mild gestational diabetes is effective at improving maternal and neonatal outcomes. Clinical question: In women with mild gestational diabetes, are the benefits of treatment with diet or insulin worth the cost? The analysis was undertaken [read the full story…]

The 50g glucose challenge test does not diagnose gestational diabetes

Taking a blood test during pregnancy

This systematic review found that the 50g test is not accurate enough to diagnose gestational diabetes on its own. Clinical question In pregnant women <32 weeks gestation, what is the sensitivity and specificity of the 50g glucose challenge test? The conventional test for diabetes is the oral glucose tolerance test (OGTT), in which a woman [read the full story…]

Counselling did not prevent gestational diabetes

Taking a blood test during pregnancy

Clinical question: In women at risk of developing gestational diabetes, does a counselling programme focused on diet and exercise reduce the risk of progression? Gestational diabetes can usually be controlled through changes to diet and lifestyle.  This study looked at whether they can be prevent it from developing in the first place. The evidence The [read the full story…]

Gestational diabetes is associated with an increased risk of congenital malformity

An image of a foetus

Clinical question Is gestational diabetes associated with congenital malformities? Having diabetes is associated with a greater risk of malformation at birth.  This systematic review looked at whether gestational diabetes is also associated with an increase in risk. The evidence The reviewers found 17 studies that reported malformities in the children of women with gestational diabetes [read the full story…]

Validated guidelines for diagnosing gestational diabetes

A pregnant woman

Gestational diabetes can cause serious complications for mother and baby.  Early detection and management of the condition is key to preventing harm.  But what if our diagnostic tools are not up to scratch? International Association of the Diabetes and Pregnancy Study Groups (IADPSG) Consensus Panel has recently issued an updated set of guidelines for diagnosing [read the full story…]

More evidence needed on diagnosing gestational diabetes.

A pregnant woman

It is normal for a women to develop some insulin resistance during pregnancy.  In around 7% of women, this resistance is excessive, causing hyperglycemia, or high blood sugar.  This is known as gestational diabetes and it can have serious consequences for both mother and baby. The test for gestational diabetes is very inconvenient, usually involving [read the full story…]