antepartum haemorrhage Flashcards
what are the divisions or causes of antepartum haemorrhage ?
obstreitics causes
local gynaecological causes
general or systematic causes
what is placenta praevia ?
a placenta that is encroaching on the lower uterine segment
what are the risk factors for placenta praevia ?
previous placenta praevia previous Caesarian section multiple pregnancies advanced maternal age smoking deficient endometrium
what are the clinical signs related to PP ?
general condition of the patient is proportionate to the amount of bleeding
anemia
signs of hypovolemic shock
what are the findings on abdominal examination in cases of PP ?
the abdomen and the uterus are lax and not tender
fundal level corresponds to the period of amenorrhea
when can we perform a PV examination on a patient who is suspected to have PP ?
PV exam is contraindicated until PP is excluded , as this could cause placental seperation
what investigations should be performed in women who are suspected of having PP ?
FCBC and blood typing
urea and electrolytes
liver function test
Ultrasound scan
when should follow up for patients with PP be performed ?
32 weeks once
then confirm at 36 weeks
what fetal investigations should be performed ?
FHR by CTG
at what gestational age should planned delivery occur in cases of PP ?
late preterm ( between n34 and 36 weeks )
for women with uncomplicated placenta praevia delivery should be considered between 36 and 37 weeks of gestation
what are the indications for CS in placenta praevia ?
total, partial or marginal posterior types of PP
severe bleeding or a shocked patient
bleeding and a closed cervix
fetal distress due to severe bleeding
what is placenta accreta ?
a spectrum of disorders where the placenta grows too deeply into the uterine wall, of which there are types
what are the different types of placenta accreta ?
placenta accreta , too deep into the uterus
placenta increta , too deep into myometrium
placenta percreta , extension to nearby organs
what are the risk factors for placenta accreta ?
previous and multiple caesarian sections
previous placenta accreta
repeated endometrial curettage
what is placental abruption ?
it is bleeding from the genital tract after 20 weeks of gestation due to premature seperation of a normally situated placenta