B型超声检查羊水异常：羊水过少为妊娠晚期最大羊水池深度（AFV）≤（）cm；或羊水指数（AFI）≤（）cm；羊水过多为羊水平段＞（）cm，或羊水指数＞（）cm。

（） of our personal rhythms, most of us have a productive period between 10m and noon, when the stomach, pancreas, spleen and heart all appear to be in their most active phases.

A.Irrespective

B.Irrelevant

C.Disregarding

D.Despite