explain the principl & working of equipment used to identify the gender of child
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Ultrasound is used to identify the gender of the child. Ultrasound imaging involves bouncing "ultrasonic" sound waves - above the audible range of human hearing - at body structures or tissues, and detecting the echoes that bounce back.
Obstetric ultrasonography is used to image a human fetus inside the womb. It is used to confirm a pregrnancy, to identify the gender of the child and the number of fetuses and to detect fetal abnormalities.
During a scan, ultrasound waves are aimed at a pregnant women's abdomen. Based on the angle of the beam, and the time it takes for echoes to return, an image of body structures inside the fetus is generated.
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