Written by Dr. V. Mohan, Chairman, Dr. Mohan’s Diabetes Specialities Centre
Pregnancy is a life-changing journey. During this time, a woman’s body undergoes several hormonal and metabolic changes. One important health condition that is now being identified earlier than before, based on our research is Early Gestational Diabetes Mellitus (eGDM).
Understanding eGDM, its risks and the importance of early screening can help ensure a safe pregnancy, healthy delivery and long-term wellbeing for both mother and child.
What is Early Gestational Diabetes Mellitus (eGDM)?
Conventionally, Gestational diabetes or GDM is diagnosed between 24 and 28 weeks of pregnancy. However, when elevated blood sugar levels are detected in early pregnancy, typically before 20 weeks, it is known as Early Gestational Diabetes Mellitus. GDM diagnosed at 24–28 weeks of pregnancy is referred to as late GDM.
This condition indicates that the body is finding it difficult to handle glucose even in the early stages of pregnancy. It may not always mean pre-existing diabetes, but it is a strong metabolic warning sign that requires timely medical attention.
Early diagnosis allows doctors to start treatment sooner and reduce the risk of pregnancy complications.
Why Early Gestational Diabetes is Increasing?
India has one of the highest numbers of people living with diabetes. This rising burden is now influencing pregnancy health as well.
Common reasons for increasing eGDM include:
- Overweight and obesity
- Sedentary lifestyle
- Family history of diabetes
- Delayed pregnancies
- Prediabetes or insulin resistance before conception
- Urban lifestyle and unhealthy dietary patterns
Because of these factors, many women may enter pregnancy with hidden metabolic risk, making early screening essential.
Scientific Evidence Supporting Early Screening
Research published in international medical journals by experts from Madras Diabetes Research Foundation (MDRF), the research wing of Dr. Mohan’s Diabetes Specialities Centre (DMDSC) has highlighted the importance of detecting diabetes early in pregnancy.
The landmark STRiDE study conducted by us with Dr. Saravanan Ponnuswamy from UK and Dr. Uma Ram from Chennai showed that abnormal glucose levels can be identified in early pregnancy and may predict later gestational diabetes in Indian women.
Another major clinical research initiative, the TOBOGM study evaluated whether diagnosing and treating gestational diabetes earlier improves outcomes. Findings suggest that early identification and management, especially in women with higher glucose levels can help reduce pregnancy related complications.
These research contributions have helped shape modern recommendations on early pregnancy diabetes screening.
Why Early Detection Matters?
Uncontrolled blood sugar during pregnancy can affect both mother and baby.
Risks for the Mother
- Pregnancy induced hypertension
- Increased likelihood of Caesarean delivery
- Higher risk of developing Type 2 diabetes later
Risks for the Baby
- Abortion and Congenital Anomalies
- Excess birth weight
- Premature birth
- Stillbirth
- Low blood sugar after birth
- Increased lifetime risk of obesity and diabetes
With proper treatment, most women with eGDM can have healthy pregnancies and safe deliveries.
How is eGDM Diagnosed?
Doctors may recommend diabetes screening during the first antenatal visit, particularly if risk factors are present.
Common tests include:
- Fasting plasma glucose
- Oral Glucose Tolerance Test (OGTT)
- HbA1c
The Oral Glucose Tolerance Test is the gold standard test. The TOBOGM study suggested that fasting plasma glucose between 95-125 mg/dL or 1 hour value in OGTT >191 mg/dL or 2-hour value between 162-199 mg/dL were the best to diagnose eGDM.
Early evaluation at a specialised diabetes centre helps ensure accurate diagnosis, personalised care, and continuous monitoring.
Management of Early Gestational Diabetes?
Treatment focuses on maintaining optimal blood sugar levels throughout pregnancy.
Management strategies may include:
- Individualised medical nutrition therapy
- Safe and guided physical activity
- Regular blood glucose monitoring
- Insulin therapy when required
- Use of Continuous Glucose Monitoring in selected cases
Lifestyle modification plays a crucial role and can significantly improve pregnancy outcomes.
Can Early Gestational Diabetes Be Prevented?
Although not always preventable, the risk can be reduced by:
- Achieving a healthy weight before pregnancy
- Staying physically active
- Eating a balanced and nutritious diet
- Undergoing diabetes screening before planning pregnancy
- Attending regular antenatal check ups
Pre pregnancy metabolic assessment is especially important for women with a family history of diabetes.
Expert eGDM Care at Dr. Mohan’s Diabetes Specialities Centre
With over three decades of excellence in diabetes care and research, Dr. Mohan’s Diabetes Specialities Centre provides comprehensive support for pregnant women diagnosed with eGDM.
Key services include:
- Early pregnancy diabetes screening protocols
- Advanced diagnostic facilities
- Continuous Glucose Monitoring support
- Multidisciplinary care involving diabetologists and obstetricians
- Personalised diet and lifestyle counselling
- Structured gestational diabetes management programmes
- Long term follow up to prevent future diabetes
This integrated, research driven approach helps ensure better maternal health, safer delivery, and healthier babies.
Take Action Early for a Healthy Pregnancy
Early gestational diabetes is not a reason to panic. It is an opportunity for early intervention and prevention of complications.
If you are planning pregnancy or are already expecting, speak to your doctor about early diabetes screening.
👉Book your consultation at Dr. Mohan’s Diabetes Specialities Centre today.
👉Get expert guidance for safe pregnancy and optimal diabetes control.
👉Protect your health now to safeguard your baby’s future.
Healthy Mother. Healthy Baby. Healthy Future.
