12: Dysfunctional Labor, Uterine Contractility, Dystocia

Question 1

contents of cervix + how it changes during labor

Answer 1

contains collagen and SM, collagenolysis via hyaluronic acid, decrease in dermatan sulfate

Question 2

protraction vs arrest of labor

Answer 2

protraction: slower than normal
arrest: complete cessation of progress

Question 3

only FDA approved med for labor stimulation

Answer 3

pitocin

Question 4

Rubin aneuver

Answer 4

during shoulder dystocia, put pressure on an accessible shoulder to push it towards anterior chest wall of fetus -> decrease bisacrominal diameter

Question 5

Woods corkscrew maneuver

Answer 5

during shoulder dystocia, apply presure behind the posterior to rotate infant and dislodge anterior shoulder

Question 6

Zanavelli maneuver for shoulder dystocia

Answer 6

last resort - fetal head manually returned into uterus by doing the cardinal movements of labor backward -> emergency cesarian