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the basics of 

OB/GYN ULTRASOUND 

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An ultrasound  is a modality that uses high-frequency sound waves to produce an image of the internal organs. In a pregnant or non-pregnant woman it is used to evaluate the woman’s bladder, uterus, fallopian tubes, cervix and ovaries.

 

The purpose of an OB-GYN ultrasound is:

      1. Confirm and monitor pregnancy 

      2. Evaluate conditions such as ovarian cysts, abnormal uterine                            bleeding, uterine fibroids and more.

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Types of Ultrasounds: Non-Gravid 

  1. Pelvic Ultrasound

  2. Transvaginal Ultrasound

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These ultrasounds are usually performed if there is concern for any gynecological anomalies, such as: ovarian torsions, uterine fibroids, endometrial carcinoma, etc. 

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Types of Ultrasounds: Gravid 

  1.  1st Trimester Ultrasound 

    • Nuchal Translucency (NT): performed between week 11 and week 13 of pregnancy

  2. 2nd Trimester Ultrasound

  3. 3rd Trimester Ultrasound 

    • Biophysical Profile: usually done after week 32 of pregnancy.

  4. Fetal Echocardiography: this may be performed if there is concern for congenital heart defects.

 

These can be a Pelvic Ultrasound and/or Transvaginal Ultrasounds, per the ordering physician's and sonographer's discretion. 

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These may also be 2-D, 3-D, and/or 4-D Ultrasounds. 

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ULTRASOUND IS CONSIDERED THE GOLD STANDARD DIAGNOSTIC EXAM FOR MONITORING PREGNANCY.

What can ultrasound detect in gravid and non-gravid patients? 

A L O T

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Congenital anomalies such as:

cleft lip, congenital heart disease, spina bifida, etc. 

Fetal Demise

Miscarriages

Ovarian Torsions 

Uterine Fibroids

and MANY more

OB/GYN BLOGS

FROM A SONOGRAPHER'S PERSPECTIVE

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