COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
hormone shift that allows contractions to begin
progesterone dominance to estrogen
cervical ripening
cervix remodeling as it prepares for labor
effacement
cervical length getting shorter (measured in 0-100% or in cm length)
dilation
widening of external os
fetal skull landmarks
sinciput (brow/forehead), vertex (top of head), occiput (base of skull)
anterior fontanel
bigger, diamond shaped, made up of coronal, frontal, and sagittal sutures
posterior fontanel
smaller, triangle shaped, made up of sagittal and lamboidal sutures
biggest diameter on head
biparietal diameter
lie
relationship of babys long axis to moms long axis
types of lie
, -longitudinal (like a headstand or sitting straight up)
-transverse (like laying down in bed)
-oblique
presentation
the part of baby that presents first to the pelvis
types of presentation
-cephalic (vertex, cinciput, brow, face)
-breech (presenting buttocks or feet first)
-shoulder
attitude
characteristic position determined by relation of fetal parts to one another, related to
effect on vertebral column
position
relationship of denominator to front/back/sides of the pelvis
for a vertex presentation, the denominator and attitude are...
occiput and "crunched up" (well flexed head, flexion of extremities over thorax and
abdomen, convex curved back)
for a sincipital presentation, the denominator and attitude are...
sinciput and "military" (straight up and down; baby with good posture)
for a brow presentation, the denominator and attitude are...
brow and extended head, flexed extremities, arched back (like baby is looking up at
ceiling while sitting)
for a face presentation, the denominator and attitude are...