Best Time for Pregnancy Ultrasound Scan Weeks Guide for Moms-to-Be An ultrasound scan is an important part of pregnancy care. Each stage of pregnancy has a recommended time for scanning, helping healthcare providers monitor baby’s development, confirm growth milestones, and prepare for the weeks ahead. This visual shows the most common weeks for pregnancy scans, explained in a simple and easy-to-understand way, so parents know what to expect during each trimester. Always follow your healthcare p