Dating pregnancy ultrasound vs lmp

You will probably be give you a printout of your baby by the sonographer as a keepsake, it is important to remember the main purpose of the scan.The first Trimester Scan, is Scans are usually performed by a doctors, midwives or radiographers who are specially trained in ultrasound, and are known as sonographers. The amount of liquor (amniotic fluid), the position and appearance of the placenta and a detailed scan of the baby itself.Pregnancy ultrasounds are performed mainly using transabdominal ultrasound.For many women, especially after 8 weeks gestation, sufficient information about the baby may be obtained with transabdominal ultrasound only.For transvaginal ultrasound you can have an empty bladder Dating scans are usually recommended if there is doubt about the validity of the last menstrual period.

If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures.

Sometimes a trans-vaginal examination shows that your pregnancy is less advanced than expected.

The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date.

Whether or not you receive an ultrasound during your first trimester of pregnancy depends on a number of factors, including your risk for complications.

Common reasons for receiving an ultrasound examination in the first trimester are to confirm Most ultrasounds obtain an image by sliding a transducer over the abdomen.