Diabetes mellitus, type 2, is a chronic disease which can be linked with many complications in connexion with impaired blood glucose balance.

It diagnosis in risky subjects such as in patients with medical history of gestational diabetes is therefore imperative to prevent its complications.

Actual guidelines recommend an oral tolerance glucose test, measuring glucose levels after oral glucose intake (75g), between 6 an 12 weeks after childbirth. But studies reveal a low diagnosis rate.

The study of the current practices of diagnosis methods seem to be essential in order to improve this diagnosis.

Inclusion Criteria:

• Patients followed in endocrinology at the hospital of Vienne for gestational diabetes, whom benefited an educational therapy session between the 01/01/2016 and the 31/12/2016 inclusive.

Exclusion Criteria:

• Minor patients or under legal protection (guardianship)
• Patients who not speak french
• Patients who did not declared an attending physician
• Refusal to take part in the survey
• Patients lost to follow-up before childbirth
• Patients whose pregnancy ended by foetal death.
• Pre-existing diabet before pregnancy

Women who develop a gestational diabetes.