8 - Obs - Preterm Delivery - Prediction, Prevention + Clinical features Flashcards
Prediction
Hx: Those at incr ?, prev Hx of late ?/? labour, may have ?
and measures to prevent.
Invx: Even in ? risk, ? length (ext ? to int ?) on TVS is sens and spec. Prediction cant prevent.
risk
miscarriage
preterm
Ix
low
cervical
os
os
Prevention
- limited to women at ? ? -> strategies begin at ? weeks
? Supplementation:
-Suppositories from ? preg reduce risk. Even in low risk women w ? cervix.
Infection:
Infection common but some ?
beneficial. Eg metronidazole ? risk of preterm. ? and trt of ???s, ???s and BV beneficial, role of Abx for other bacteria disputed.
high risk
12
progesterone
early
short
bacteria increases screening STIs UTIs
Prevention
The Cervix:
Cervical cerclage = insertion of ?(s) into cervix to ? and keep ?. Common but ?
disputed. ? route usually but can be placed abdominally if cervix ? or ?. Usually pre preg and can be ?. Used in 3 cases: ? at 12-14wks esp if Hx of ? delivery. Cervix ? regularly and sutured if ?. Rescue suture that can prevent ? even when incompetent cervix is ?.
Fetal Reduction:
Reduction of higher order ?
offered at ?-?wks.
suture strengthen closed efficacy vaginal short scarred laparoscopic elective preterm scanned shortening delivery dilated
multiple
10-14
Prevention
Treatment of Polyhydramnios:
V high ? fluid volumes usually due to ? abnormality can be trt w needle aspiration (?) or, providing fetal ? is intensive, ?????s. Reduce fetal ? ? and occasionally cause reversible premature ? of fetal ??.
Treatment of Medical Disease:
Prevention of ? disease ass w ? disease reduces risk of preterm deliv. Women w thyroid abnorms may also benefit from ?.
amniotic fetal amnioreduction surveillance NSAIDs UO closure DA
placental
autoimmune
thyroxine
Hx point..
Painful ?. In over ? of these, contractions will stop ? and labour will not ensue til ?. With cervical ?, painless cervical ? may occur and woman experiences dull ?
ache or incr ?. ??? and fluid loss are common. Latter suggests ? ?.
contractions half spont term incompetence dilatation suprapubic discharge APH ruptured membranes
Ex points…
? may occur. ? and ? checked w abdo palp. VE unless ? ?. An effaced or ? cervix confirms diagnosis, but course of preterm labour is unpredictable and may be v ?
or v ?.
fever lie presentation ruptured membranes dilating rapid slow