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What is The following abdominal palpation at 18 weeks of gestation is said to be: and explain in detail?
External ballottement - Usually elicited as early as 20th week when the fetus is relatively smaller than the volume of the amniotic fluid. It is difficult to elicit in obese patients and in cases with scanty liquor amnii. It is best elicited in breech presentation with the head at the fundus.