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Ameila

absence of extremity

Acromelia

foreshortening of the bones of the hands and feet

Rhizomelia

short prox bones

Mesomelia

short distal long bones

Micromelia

shortening of both segments

Phocomelia

absence of long bone in segments of an extremity

hand/foot arises from the shoulder/hip

Acheira

absence of the hands

Apodia

absence of foot

Acheiropodia

absence of hands and feet

Buildup of fluid inside the skull, leading to brain swelling, caused by abnormal CSF drainage or the brain producing too much CSF

hydrocephalus

Hydrocephalus is related to

aqueductal stenosis

Displacement of the brain structures of the posterior fossa through the foramen magnum into the cervical canal, cisterna magna <2mm banana and lemon sign

chiari malformation

Rare disorder characterized by abnormal fluid filled slits or clefts in the cerebral hemispheres

schizencephaly

splaying of cerebellar lobes by significantly dilated 4th ventricle

DWM

enlarged posterior horns and small frontal horns of lateral ventricles

colpocephaly

smooth brain surface

lissencephaly

destruction of cerebral tissue during fetal development

Most common LETHAL skeletal dysplasia

thanatophoric skeletal dysplasia

Most common NON-LETHAL skeletal dysplasia

heterozygous achondroplasia

regular cycles that are heavy and longer than normal

menorrhagia

irregular cycle, intermenstrual bleeding, breakthrough bleeding, spotting

metrorrhagia

irregular cycles with heavy bleeding

menometrorrhagia

common sonographic sign of chronic PID

beads on a string sign

GS seen on TV

800-1000 HCG

GS seen on TA

1800 HCG

Radial ray is with what trisomy

trisomy 18

What week is the YS seen

week 5

pulmonary veins

pulmonary arteries

left atrium

right ventricle

Amniocentesis

15-16 weeks karyotyping

3rd trimester for lung maturity

results in 7-14 days

CVS

10-12 weeks

24-48 hours results

PUBS

17 weeks

72 hours results

placental insertion site of cord

Between what days of the cycle is a TV ultrasound performed for a antral follicle count?

between day 2 and 4

stomach seen

14 weeksk

kidneys seen

12 weeks

bladder seen

10 weeks