Ultra Sound (USG): Obstetrical USG 2nd Trimester with Anomaly Scan

Specimen Required

NONE

Fasting Required

Purpose of the Test

An obstetrical USG in the second trimester with anomaly scan is used to check for any structural abnormalities in the developing fetus. It can also assess fetal growth, placental position, and the amount of amniotic fluid present in the uterus.

When this test is required

The second-trimester obstetrical USG with anomaly scan is usually requested as part of routine prenatal care. It is usually performed between 18-22 weeks of pregnancy. The scan may also be requested if there are any concerns or complications during the pregnancy.

What the Test Detects

During the obstetrical USG in the second trimester with anomaly scan, the healthcare provider will examine the fetus to detect any structural abnormalities or anomalies. The scan evaluates the head, brain, face, spine, heart, lungs, stomach, kidneys, limbs, and genitalia of the fetus. The amount of amniotic fluid and the position of the placenta will also be assessed.

Preparation for the Test

In most cases, no specific preparation is needed for the second-trimester obstetrical USG with anomaly scan. However, it is advisable to have a full bladder before the test, as this can help to provide a clearer image of the uterus and fetus. Your healthcare provider may give you specific instructions on when and how much water to drink before the test. Additionally, it is recommended to wear comfortable, loose-fitting clothing that can be easily removed or pulled up to expose the abdomen.

Sample Requirements

No sample is required for obstetrical USG.

Additional Notes

The second-trimester obstetrical USG with anomaly scan is a non-invasive and painless procedure that takes around 30-60 minutes to complete. The results are usually available immediately, and your healthcare provider will discuss the findings with you. In some cases, if a potential abnormality is detected, additional testing or referrals to a specialist may be recommended. It is important to follow any instructions provided by your healthcare provider to ensure accurate results.

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