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The sex of the fetus may be discerned by ultrasound as early as 11 weeks' gestation. The accuracy is relatively imprecise when attempted early. [ 15 ] [ 16 ] [ 17 ] After 13 weeks' gestation, a high accuracy of between 99% and 100% is possible if the fetus does not display intersex external characteristics.
Anomaly scan. The anomaly scan, also sometimes called the anatomy scan, 20-week ultrasound, or level 2 ultrasound, evaluates anatomic structures of the fetus, placenta, and maternal pelvic organs. This scan is an important and common component of routine prenatal care. [ 1] The function of the ultrasound is to measure the fetus so that growth ...
Nuchal translucency. Purpose. Used to screen for abnormalities in a developing fetus. A nuchal scan or nuchal translucency ( NT) scan / procedure is a sonographic prenatal screening scan ( ultrasound) to detect chromosomal abnormalities in a fetus, though altered extracellular matrix composition and limited lymphatic drainage can also be detected.
Ian Donald CBE FRFPSGlas FRCOG FRCP (27 December 1910 – 19 June 1987) was an English physician who pioneered the diagnostic use of ultrasound in obstetrics, enabling the visual discovery of abnormalities during pregnancy. [2] Donald was born in Cornwall, England, to a Scottish family of physicians. He was educated in Scotland and South Africa ...
At this stage, a fetus is about 30 mm (1.2 inches) in length, the heartbeat is seen via ultrasound, and the fetus makes involuntary motions. [47] During continued fetal development, the early body systems, and structures that were established in the embryonic stage continue to develop. Sex organs begin to appear during the third month of gestation.
Maternal–fetal medicine ( MFM ), also known as perinatology, is a branch of medicine that focuses on managing health concerns of the mother and fetus prior to, during, and shortly after pregnancy . Maternal–fetal medicine specialists are physicians who subspecialize within the field of obstetrics. [ 1] Their training typically includes a ...
Biophysical profile. A biophysical profile ( BPP) is a prenatal ultrasound evaluation of fetal well-being involving a scoring system, [ 1] with the score being termed Manning's score.[ 2] It is often done when a non-stress test (NST) is non reactive, or for other obstetrical indications. The "modified biophysical profile" consists of the NST ...
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