During pregnancy, a mother's thoughts are haunted by so many questions related to how my baby is developing inside the uterus. 'When is my due date?' You get clarity on all of these questions in this article.

Let’s dive into the main part:

What is Meant by Dating Scan?

The dating scan is a kind of ultrasound scan that is mainly useful to calculate and also helps to determine how far along the pregnancy is and estimates the baby’s expected due date. The dating scan can be done in the first trimester, occurring between weeks 8-13 of your pregnancy, with the most accuracy between 10-12 weeks.

Key Things a Dating Scan Helps Determine

The key things that a dating scan can elevate and help and it provides important information about early pregnancy and help establish a clear timeline for the pregnancy to the doctor to understand and estimate the due date.

1. Estimate the Gestational Age of the Pregnancy:

In simple words, the Gestational Age means how many weeks pregnant you are. It can usually be calculated by counting from the first day of your last menstrual period (LMP). The Crown-Rump Length (CRL) is an important measurement used in early pregnancy ultrasound scans to estimate the gestational age of the mother and baby.

2. Estimate the Expected Due Date (EDD):

EDD is an estimate rather than a guaranteed delivery date. The estimated due date is calculated based on the baby's measurements and the estimated gestational age.

3. Confirm That the Pregnancy Is Developing Inside the Uterus:

Another important purpose behind the dating scan is to determine the location of the pregnancy. The scan is helpful in determining whether the pregnancy is in the mother's womb, that is, to check if the pregnancy is growing in the right place inside the womb. In addition, the scan can be used at different stages to determine the gestational sac, yolk sac, embryo, and fetal heart rate.

This assessment is important because a pregnancy that develops outside the uterus, known as an ectopic pregnancy, requires prompt medical attention.

Conclusion:

Every pregnancy is unique, and the timing and need for a dating scan may vary from mother to mother, so if you have any personal questions about the dating scan, please do consult your personal doctor for further steps.

​Book your first Dating scan with Naren Ultrasound and take this important step with expert guidance and confidence.

About the Doctor

Dr. Naren Satya

Consultant Radiologist

Naren Ultrasound and Fetal Medicine Center, Visakhapatnam