Final answer:
Oligohydramnios is the term used to describe a scanty amount of amnion water surrounding the fetus during pregnancy. It can be caused by various factors and can affect the health and development of the fetus.
Step-by-step explanation:
The scanty amount of amnion water is defined as oligohydramnios. Oligohydramnios is a condition in which there is less than normal amniotic fluid surrounding the fetus during pregnancy. This can be caused by various factors such as fetal kidney problems, placental insufficiency, or membrane rupture. It can have implications for the health and development of the fetus.
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