The placenta may be on the front wall (anterior) or the back wall of your womb (posterior), usually near the top (or fundus).
If the placenta is near the top, it may be described as fundal on your scan notes. Fetal anomaly screening programme standards: 2015 to 2016 NHS Fetal Anomaly Screening Programme.
The due date will have been established at your dating scan.
If your anomaly scan is the first scan you've had, it will be used to work out a due date. Fetal anomalies: screening, conditions, diagnosis, treatment.
By then, it's likely that the placenta will have moved away from your cervix.
It is possible to count the three blood vessels (two arteries and a single vein) in the umbilical cord, but your sonographer may not do this. She will check to see that's there's enough amniotic fluid for your baby to move freely, though.
Seeing your baby on a screen can be really exciting.
You can also take your partner, friend or family member along to share the experience with you.
This image shows a baby's face and hands at 20 weeks, and gives you an idea of what you will be able to see at this scan.During the scan, the sonographer will measure parts of your baby's body, to see how well he is growing. The sonographer will measure your baby's: The measurements should match up to what's expected for your baby, depending on when his due date is. Some conditions are easier to spot than others, and some are hard to see at all. Here's the list of conditions, and the percentage chance of your sonographer seeing each one Some conditions, including heart defects and bowel obstructions, may not be seen until later in your pregnancy. Having an anomaly scan will most likely rule out all these conditions, as the vast majority of babies are born healthy.