What do ROA and LOA mean in terms of fetal position?

Patient's question:

No

Doctor's answer:

Fetal position LOA, refers to left occiput anterior, vertex presentation, occiput on the left side of the pelvis, facing forward, it is the most common fetal position and the easiest position for a normal delivery. ROA is right occiput anterior position. The presenting part is the occiput, which belongs to the normal delivery position.