Obstetric ultrasonography
(Redirected from Biparietal diameter)
Obstetric Ultrasonography[edit | edit source]
Introduction[edit | edit source]
Obstetric Ultrasonography, commonly referred to as prenatal ultrasound, is a medical procedure used in pregnancy to create real-time visual images of the developing embryo or fetus inside the uterus (womb). Utilizing medical ultrasonography, it employs sound waves to produce these images. It has become a standard and integral part of prenatal care in many countries.
Principles of Ultrasonography[edit | edit source]
Obstetric ultrasonography works on the principle of sound wave reflection. High-frequency sound waves are transmitted into the body, where they reflect off tissues, including the fluid and structures within the uterus, creating an image on the ultrasound machine.
Clinical Uses[edit | edit source]
Obstetric ultrasound has several important clinical applications:
- Determining the gestational age and estimating the due date.
- Monitoring the development and health of the embryo or fetus.
- Identifying multiple pregnancies.
- Assessing potential complications with the pregnancy.
- Checking for fetal malformations or congenital anomalies.
- Examining the uterus and ovaries.
Types of Obstetric Ultrasound[edit | edit source]
There are various types of ultrasound used in obstetrics, including:
- Transabdominal ultrasound, where the probe is placed on the abdomen.
- Transvaginal ultrasound, more common in early pregnancy, involves a probe insertion into the vagina.
- 3D and 4D ultrasounds, which provide more detailed and dynamic images.
Safety and Guidelines[edit | edit source]
Obstetric ultrasound is considered a safe procedure with no known risks to the mother or fetus. However, it should be performed only when medically indicated, following established guidelines.
Technological Advancements[edit | edit source]
Advancements in ultrasound technology continue to improve image quality and diagnostic capabilities, with emerging techniques like Doppler ultrasonography providing additional information about blood flow and fetal heart rate.
Patient Experience[edit | edit source]
During the ultrasound, the patient may experience mild discomfort but generally no pain. The procedure's duration varies depending on the type of ultrasound and the specific clinical requirements.
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
Obstetric ultrasonography Resources | |
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