Home Your pregnancy Routine tests Routine ultrasound Routine ultrasound The results of ultrasound testing provide you and your health care provider with critical information about you and your baby. The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date. Male fetuses under 13 weeks were more likely to have gender incorrectly or unable to be assigned. Introduction It is nearly 40 years since ultrasound was first used to evaluate the obstetric patient, 1 today ultrasound scanning is firmly entrenched in antenatal care. Conceptional age, menstrual age, and ultrasound age: A total of fetuses across three trimesters were examined collectively by seven sonographers.
This study highlighted the differences between success rates of an inexperienced sonographer and those with at least five years experience.
Ultrasound Accuracy for Predicting Due Dates
The value of ultrasound screening in detecting and monitoring fetal malformation, placental position and multiple pregnancies is undeniable 2. Table 1 provides guidelines for estimating the due date based on ultrasonography and the LMP in pregnancy, and provides single-point cutoffs and ranges based on available evidence and expert opinion. In contrast, the study conducted by Chelli, et al. Correct gender was achieved in all remaining fetuses. Sonographic prediction of gestational age: Routine Tests Resources. During the study period, scans were performed on a total of fetuses.