The Glucose Challenge Test (GCT) is a vital screening tool primarily used during pregnancy to evaluate how the body processes sugar and to detect potential signs of gestational diabetes mellitus (GDM)—a condition that can develop in some women during pregnancy. This simple yet powerful test plays a key role in ensuring both maternal and fetal health. Typically performed between the 24th and 28th week of pregnancy, the GCT involves drinking a sweet glucose solution, followed by a blood test one hour later to measure how well the body metabolizes the sugar.Early detection through the GCT is crucial because uncontrolled gestational diabetes can lead to complications like high birth weight, premature delivery, and increased risk of type 2 diabetes later in life for both mother and baby. By identifying glucose intolerance early, healthcare providers can offer personalized dietary advice, lifestyle recommendations, and treatment plans to maintain healthy blood sugar levels throughout pregnancy. The Glucose Challenge Test not only ensures safer pregnancies but also promotes long-term wellness for both mother and child. As a routine yet essential part of prenatal care, the GCT empowers women to take control of their health and make informed decisions during this critical phase of life.