Dating by ultrasound. Dating and viability What is a dating scan?
If you have a particular medical problem, please consult a healthcare professional.
A dating ultrasound gives an accurate estimate of how far along you are in your pregnancy.
Accurate dating of pregnancy is important to improve outcomes and is a research and public health imperative.
Your baby is just a tiny embryo.
Ultrasound scansusehigh-frequency soundwaves to create moving images of the baby, shown on a screen.
Accordingly, in creating recommendations and the associated summary table, single-point cutoffs were chosen based on expert review.
It is usually offered to pregnant women from 10 weeks to 13 weeks gestation, but can be carried out any time from 6 weeks.
Women's Health Care Physicians.
This ultrasound is usually done between 19 to 20 weeks of gestation.