12 week scan details Nuchal translucency screen 3. The 12-week scan is a fundamental part of your pregnancy journey, offering crucial insights into your baby's development and health. Again, contact the Rose Clinic Bray for more details. She makes every scan difficult (she’s so sassy!) and takes twice as long to get measurements. This test is not quite as accurate as the combined test. It includes multiple components and is highly dependent on Apr 14, 2025 · However, the 12-week ultrasound doesn't approach the same accuracy as non-invasive prenatal testing (NIPT) until about 14 weeks. Finding out the sex of your baby is not offered as part of the 12-week scan. Why do I need a 12 week scan? One of the main purposes of the 12 week scan is to check how the pregnancy is progressing and estimate a due Feb 1, 2024 · This scan gives a more accurate timeline compared to date calculations based on menstrual cycles, especially if your periods are irregular. The sonographer estimates when your baby is due (the estimated date of delivery, or EDD) based on the baby's measurements. If you choose to have the test, you will have a blood sample taken.