First-Trimester Screening
What does first-trimester prenatal pregnancy screening include?
First-trimester antenatal pregnancy screening, conducted between the 12th and 14th week, is a non-invasive test to identify potential genetic or structural abnormalities in the fetus. Integral to antenatal care, it enables early detection of anomalies, facilitating prompt and appropriate action.
The First - Trimester Prenatal Screening Process
- Ultrasound Examination. This high-resolution test is performed to detect any possible abnormalities in the fetus. In addition, it assesses the position of the placenta and the blood flow in the uterus.
- Nuchal Translucency Measurement. Nuchal translucency refers to fluid accumulation at the back of the fetus's neck. Measuring this fluid helps estimate the risk of certain chromosomal anomalies.
- Blood Test. As part of the first-trimester screening, we collect a blood sample from the expectant mother to assess specific hormone levels. This includes measuring beta-human chorionic gonadotropin (bhcG) and Pregnancy-Associated Plasma Protein-A (PAPP-A).
What can the First-Trimester Screening reveal?
The first-trimester screening can provide indications of genetic anomalies such as Down syndrome (Trisomy 21) and other chromosomal disorders. Additionally, structural abnormalities of the fetus can be detected through this examination.
Conclusion
First-trimester prenatal pregnancy screening is a valuable test offering early reassurance about your baby’s health. It enables us to identify potential risks, prompting further tests or consultations if necessary. The measurement of hormones bhcG and PAPP-A, coupled with ultrasound, enhances the accuracy of risk assessment.
