Possible aetiology of breech presentation at term.

NON-PREGNANCY RELATED
uterine anomalies
uterine/pelvic tumours (eg. fibroids)
pelvic abnormalities

FETAL
FETAL ANOMALIES/ABNORMALITIES
trisomy 13, 18 or 21
Potter's syndrome
fetal alcohol syndrome
hydrocephalus
anencephaly