Obstetric ultrasound, also known as prenatal or pregnancy ultrasound, uses high-frequency sound waves to produce images of a developing embryo or fetus. The procedure also monitors the health of the mothers uterus, ovaries, and the blood flow through the umbilical cord to the placenta.

How do you do an obstetric scan?

3:3412:39The Basic Steps of an Obstetric Ultrasound Examination - YouTubeYouTubeStart of suggested clipEnd of suggested clipMaintaining a transverse orientation. Slide the probe up towards the maternal amber like us toMoreMaintaining a transverse orientation. Slide the probe up towards the maternal amber like us to identify the fetal heart and heartbeat. If the fetal heart is not seen in this sweep.

When is obstetric scan done?

The International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) recommends that pregnant women have routine obstetric ultrasounds between 18 weeks and 22 weeks gestational age (the anatomy scan) in order to confirm pregnancy dating, to measure the fetus so that growth abnormalities can be recognized

When is a biophysical profile used?

Typically, a biophysical profile is recommended for women at increased risk of problems that could lead to complications or pregnancy loss. The test is usually done after week 32 of pregnancy, but can be done when your pregnancy is far enough along for delivery to be considered — usually after week 24.

What is obstetric ultrasound scan?

Obstetric Ultrasound uses sound waves to create images of a child (fetus or embryo) within a pregnant woman, as well as the ovaries and uterus of a mother. The most common uses of the procedure include: To estimate the age of the pregnancy. To evaluate the position of the placenta.

What is the 3 most common prenatal tests for diagnosing birth defects?

During Pregnancy: Prenatal TestingFirst Trimester Screening. First trimester screening is a combination of tests completed between weeks 11 and 13 of pregnancy. Second Trimester Screening. High resolution Ultrasound. Chorionic Villus Sampling (CVS) Amniocentesis.

How much water do you need for an obstetric ultrasound?

It is necessary to drink 600-800ml of water two hours prior to the scan and refrain from going to the toilet before the scan.

How long does a biophysical profile take?

A biophysical profile can be done in your health care providers office or in a hospital. The test might take 30 minutes or so to complete.

What is a normal biophysical profile score?

What does the biophysical profile test score indicate? A total score of 10 points or eight out of 10 points with normal amniotic fluid volume is regarded as normal. A score of six indicates that there may be problems that require further evaluation or monitoring.