colour Doppler and 4d scan air echo testein kya differnce hai ..aur kounsa test karwana jaruri hai ?

Shyama Santhosh

Color doppler is used to estimate the blood flow through your blood vessels however it is not mandatory, this is usually done at end of the pregnancy only if there is any issue or risk.
Mostly 2D scan is the one which is done in majority hospitals. 4D scan gives you the image from four dimensions which means it is more clear.
Echo test is one of the required to check cardiac activities, heart related checks are done by this test.
Echo test is must;however, color doppler n 4D scan is required only if doctor says

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