<obstetrics> The extraction or expulsion of the foetus which occurs buttocks or feet first. ... (27 Sep 1997) ... 
delivery of a fetus in breech presentation; see also breech extraction.
Type: Term Definitions: 1. extraction or expulsion of a fetus that presents by the buttocks or feet.
Vaginal delivery of a baby whose pelvis or legs are the presenting part. Generally, if a baby is lying in a breech presentation, vaginal delivery is not attempted.
[n] - delivery of an infant whose feet or buttocks appear first
breech birth noun delivery of an infant whose feet or buttocks appear first
the delivery of an infant with the feet or buttocks appearing first.