A dating scan is an ultrasound scan to determine how many weeks pregnant you are and your due date. Right now there is a lone egg and a whole bunch of anxious sperm eager to fertilize the egg. For many women, especially after 8 weeks gestation, sufficient information about the baby may be obtained with transabdominal ultrasound only. The objectives of this study were, first, to develop charts for ultrasound dating of pregnancy based on crown-rump length and biparietal diameter and, second, to derive reference curves for normal fetal growth based on biparietal diameter, head circumference, transverse cerebellar diameter, abdominal circumference and femur length from 10 weeks of gestational age onwards. Metrics details.
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This cross-sectional study included consecutive pregnant women receiving antenatal care at two tertiary health institutions in Enugu, Nigeria, from January 1, to March 31, Pettker, MD; James D. Every pregnant woman wants to know her due dateand a due date that is calculated from her last menstrual period with a due date calculator often doesn't match the due date that is estimated by her first ultrasound also known as a sonogram. The results of ultrasound testing provide you and your health care provider with critical information about you and your baby. An ultrasound can help you determine how far along you are in your pregnancy.
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