This definition appears very rarely
and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other meanings of OA
We have 57 other definitions for OA
in our Acronym Attic
Samples in periodicals archive:
However, right occiput posterior to right occiput anterior is not a malpresentation.
4% of occiput anterior (OA) babies changed position in late labor.
In her retrospective study, vacuum delivery from the OP position was four times more likely to result in a sphincter-injuring third- or fourth-degree tear than vacuum delivery from the occiput anterior (OA) position.
The first is the known requirement for increased traction necessary for delivery of occiput posterior as opposed to occiput anterior.