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Ethnicity is defined as“belonging to a social groupthat has a common national or cultural tradition”.Membership of certain ethnic groups has long been associated with increased risk of gestational diabetes mellitus(GDM).Studies that examined ethnic differences amongst women with GDM were often conducted in western countries where women from various ethnic backgrounds were represented.The prevalence of GDM appears to be particularly high among women from South Asia and South East Asia,compared to Caucasian,African-American and Hispanic communities.For some,but not all ethnic groups,the body mass index is a risk factor for the development of GDM.Even within a particular ethnic group,those who were born in their native countries have a different risk profile for GDM compared to those born in western countries.In terms of treatment,medical nutrition therapy(MNT)plays a key role in the management of GDM and the prescription of MNT should be culturally sensitive.Limited studies have shown that women who live in an English-speaking country but predominantly speak a language other than English,have lower rates of dietary understanding compared with their English speaking counterparts,and this may affect compliance to therapy.Insulin therapy also plays an important role and there appears to be variation as to the progression of women who progress to requiring insulin among different ethnicities.As for peri-natal outcomes,women from Pacific Islander countries have higher rates of macrosomia,while women from Chinese backgrounds had lower adverse pregnancy outcomes.From a maternal outcome point of view,pregnant women from Asia with GDM have a higher incidence of abnormal glucose tolerance test results post-partum and hence a higher risk of future development of type2 diabetes mellitus.On the other hand,women from Hispanic or African-American backgrounds with GDM are more likely to develop hypertension post-partum.This review highlights the fact that management needs to be individualised and the clinician should be mindful of the impact that differences in ethnicity may have on the clinical characteristics and pregnancy outcomes inwomen affected by GDM,particularly those living in Western countries.Understanding these differences is critical in the delivery of optimal antenatal care for women from diverse ethnic backgrounds.
Ethnicity is defined as “belonging to a social groupthat has a common national or cultural tradition ”. Membership of certain ethnic groups has long been associated with increased risk of gestational diabetes mellitus (GDM) .Studies that examined ethnic differences amongst women with GDM were often conducted in western countries where women from various ethnic backgrounds were represented. prevalence of GDM appears to be particularly high among women from South Asia and South East Asia, compared to Caucasian, African-American and Hispanic communities. For some, but not all ethnic groups, the body mass index is a risk factor for the development of GDM.Even within a particular ethnic group, those who born in their native countries have a different risk profile for GDM compared to those born in western countries. of treatment, medical nutrition therapy (MNT) plays a key role in the management of GDM and the prescription of MNT should be culturally sensitive. Limited studies have shown that women who live in an English-speaking country but predominantly speak a language other than English, have lower rates of dietary understanding compared with their English speaking counterparts, and this may affect compliance to therapy. Insulin therapy also plays an important role and there appears to be variation as to the progression of women who progress to requiring insulin among different ethnicities. As for peri-natal outcomes, women from Pacific Islander countries have higher rates of macrosomia, while women from Chinese backgrounds had lower adverse pregnancy outcomes.From a maternal outcome point of view, pregnant women from Asia with GDM have a higher incidence of abnormal glucose tolerance test results post-partum and hence a higher risk of future development of type 2 diabetes mellitus. On the other hand, women from Hispanic or African-American backgrounds with GDM are more likely to develop hypertension post-partum. This review highlights the fact that management needs to be individualised and the clinician should be mindful of the impact that differences in ethnicity may have on the clinical characteristics and pregnancy outcomes inwomen affected by GDM, particularly those living in Western countries.Understanding these differences is critical in the delivery of optimal antenatal care for women from diverse ethnic backgrounds.