11 - Obs - Abnormal Lie and Breech Presentation - Abnormal (transverse and oblique) lie Flashcards
Lie: r’ship of fetus to ? axis of uterus. Presentation: Cephalic or ? – either is palpable at pelvic ?. If neither – ? or ? lie. Abnormal lie: 1/??? births, more common in ? preg – normalizes at ?
long breech inlet transverse or oblique 200 earlier term
Aetiology
? labour more commonly compx by abnormal lie than ?
term.
Circumstances allowing more room to turn eg ? or ? parity are most common causes -> ?/freq changing lie.
Conditions preventing turning eg fetal or uterine abnormalities and ? can also be a cause.
Conditions preventing engagement eg ?? and pelvic ? or ? deformity also. Unstable lie in nulliparous = ?.
preterm full polyhydramnios high unstable twins PP tumours uterine rare
Complications
If ?/head cant enter pelvis, ?cannot deliver fetus. An arm/cord may ? when membranes rupture and ? can eventually -> uterine ?. Fetus and mother at risk.
breech labour prolapse obstruction rupture
MGMT
No action before ?wks unless woman in ?. After ?wks woman admitted to hosp in case ? ?, ??? to r/o identifiable causes eg ? and ??. ECV not used as fetus turns ?. If spont version occurs and persists >?hrs, can ?. If no pelvic ?, abnormal lie usually corrects by ?wks. If woman is in labour, persistently abnormal lie is delivered by ??, but ??? then ? can be done.
37 labour 37 membranes rupture USS polyhydramnios PP back 48 discharge obstruction 41 C/s ECV amniotomy (AROM)