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Detecting Abnormalities: Sonography (ultrasound) How is sonography (ultrasound) helpful An ultrasound scan gives a picture
of the baby in the mother's womb without using X-rays. It is used
to check the baby's development. By using sound waves, birth defects can
be identified by the 16-18th week of gestation and sometimes even earlier.
When is an ultrasound recommended Most doctors, these days, advise 3-4 routine sonography tests: first test around the 6th week of pregnancy, second test around the 19th week, third one in the 7th month; and the fourth test in the 37th week. In addition to birth defects, it also helps in identifying twins (or multiple births), and the position of the baby and placenta closer to the due date. To add your views on this article or read others comments Click Here
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