oligohydramnios
Medical term for a condition in pregnancy where there is too little amniotic fluid.
If diagnosed with oligohydramnios, careful monitoring is necessary.
羊水過多症 is the opposite condition, polyhydramnios, where there is too much amniotic fluid.
Compound of 羊水 (amniotic fluid), 過少 (too little, scanty), and 症 (condition, disease).