The Ultrasound anomaly scan is done in the second trimester of pregnancy. This scan show how your baby is growing and check the fetal movements, makes sure your baby's internal organs are developing well, detects certain birth defects in your baby, estimates the amount of amniotic fluid, checks the umbilical cord and position of the placenta, checks for markers of chromosomal abnormalities, checks your cervix and measure the birth canal. The anomaly scan is done between 18 and 20 weeks normally but can be done one or two weeks later in case of twins.
The anomaly scan is carried out in the same way as your early pregnancy scans. It usually produces 2-dimensional (2-D) images that give only a side view of the baby. If required, a 3/4-dimensional (3/4-D) scan can also be done.
This anomaly test will help in identifying the number of babies you are carrying. Understand the shape and structure of baby's head. It is possible to detect severe brain problems at this stage, but fortunately these are very rare. Check for a cleft lip if any Check baby's spine, both along its length and in cross-section. Check baby’s heart stomach and kidneys. It helps in understanding how baby is growing The doctor can also the doctor will check: the placenta the umbilical cord the amniotic fluid
Precaution
It is mandatory to carry the duly signed and stamped
prescription of the test which has the registration ID of the registered
medical practitioner.