Yes, a scan can accurately determine the age of your baby. The most common type of scan used for this purpose is an ultrasound scan. During an ultrasound, high-frequency sound waves are used to create images of your baby in the womb. By measuring specific features such as the size of the head, length of the femur bone, and other developmental markers, healthcare professionals can estimate how far along you are in your pregnancy and calculate your baby's gestational age.
However, it's important to note that while ultrasounds are generally accurate in determining gestational age, they do have some limitations. Factors such as variations in fetal growth rates and individual differences in development can affect the accuracy of the estimated due date. Additionally, if you're unsure about when you conceived or have irregular menstrual cycles, it may be more challenging to pinpoint an exact date.
It's also worth mentioning that there are different types of scans available depending on the stage of pregnancy. Early ultrasounds performed within the first trimester tend to be more accurate in estimating gestational age compared to later scans.
In conclusion, a scan can provide valuable information about your baby's age during pregnancy. However, it's essential to discuss any concerns or questions with your healthcare provider who will take into account various factors and use their expertise to provide you with accurate information regarding your baby's development and due date.