per vias naturales

per vi·as na·tu·ra·les

(per vī'as nach'ū-rā'lēz),
Through the natural passages; for example, denoting a normal delivery, as opposed to cesarean section, or the passage in stool of a foreign body instead of its surgical removal.
[L.]

per vi·as na·tu·ra·les

(pĕr vī'as nach-ūr-ā'lēz)
Through the natural passages, e.g., denoting a normal delivery, as opposed to cesarean delivery, or the passage in stool of a foreign body instead of its surgical removal.
[L.]