Fetal Complications Of Pregnancy Flashcards
Proportionately small
Dec fetal growth potential
Insult <20 weeks
Fetal etiology
Symmetrical IUGR
Growth restriction
LBW <10th percentile
IUGR
Only AC is dec N fetal growth potential Insult >20 w Inc head to abdomen ratio Placental and maternal etiology
Asymmetrical IUGR
RF IUGR pregnancy
Maternal weight less than 10th percentile
Prev IUGR infant
Maternal, vascular and cardiac disease
Polydramnios
AFI >24
Caused by fetal malformations and maternal DM
Dyspnea and LE edema
Amniocentesis Amniotomy Indomethacin
Oligohydramnios
AFI <5
Caused by obstruction of fetal urinary tract or renal agenesis
Amnioinfusion
Gold std for confirming fetal death
Absence of fetal cardiac activity
Scalp edema
Fetal maceration
Gas bubbles
Radiographic evidence to establish fetal death
Robert sign gas bubble in heart earliest
Spalding sign overlapping of fetal bones
Ball sign exaggeration of fetal spinal curvature
DIC and Coagulopathy occurs to mother in with still birth
Fetus>14w AOG
Dead for >4w AOG
Abnormal placental shapes
Multiple placenta with single fetus
Bipartite or bilobata
Abnormal placental shapes
One or more small accessory lobes developed in membranes at a distance from periphery of main placenta
Succenturiate
Abnormal placental shapes
Central portion of discoidal placenta is missing
Fenestrated
Abnormal placental shapes
Central depression surrounded by thickened grayish white ring of membrane
Circumvallate
Abnormal placental shapes
Thinner ring of membrane coincides with placental margin
Circummarginate
Utz: no hypoechoic retroplacental zone
Color doppler: dilated vascular channels with diffuse lacunar flow
Placenta accreta