Labor and Delivery Basics
What are the Five P's of labor?
Passenger, Passageway, Powers, Position, Psych
What medication is given to accelerate fetal lung maturity?
Betamethasone
What is the normal fetal heart rate?
110–160 bpm
What is the priority intervention for a prolapsed cord?
Relieve pressure with sterile hand & reposition mother
What does BUBBLE-HE stand for?
Breasts, Uterus, Bladder, Bowels, Lochia, Episiotomy, Homan’s, Emotions
What does "0 station" mean?
What is the antidote for magnesium sulfate toxicity?
Calcium gluconate
What type of deceleration indicates uteroplacental insufficiency?
Late decelerations
What are signs of uterine rupture?
Sudden pain, shock, abnormal FHR, loss of station
What are the stages of lochia and their timeline?
Rubra 1–3 days, Serosa 4–10, Alba 10 days–6 weeks
What is the most common and ideal fetal presentation?
Occiput/Vertex
Which medication used for preterm labor is contraindicated in women with cardiac disease?
Terbutaline
Where do you place the Doppler for a breech fetus?
Above the umbilicus, RUQ/LUQ
What condition causes greenish amniotic fluid and requires NICU team at delivery?
Meconium-stained fluid
What are signs of postpartum hemorrhage?
>500 mL vag, >1000 mL C/S, boggy uterus, heavy bleeding, clots, pallor, tachycardia
What are the signs that labor is approaching?
Backache, weight loss, lightening, contractions, blood show, nesting, ROM, N/V
What uterotonic medication should be avoided in hypertensive patients?
Methylergonovine/Methergine
What does moderate variability on the FHR tracing indicate?
Good fetal oxygenation/normal finding
What are risk factors for dystocia?
Obesity, AMA, uterine abnormalities, CPD, malpresentation, macrosomia, exhaustion
What uterine disorder results in the uterus staying enlarged and not shrinking postpartum?
Subinvolution
What is the correct sequence of mechanism of labor?
Engagement, descent, flexion, internal rotation, extension, external rotation, expulsion
What prostaglandin can be used for cervical ripening but may cause tachysystole?
What category of FHR strip is sinusoidal pattern considered?
Category III
What life-threatening complication occurs when amniotic fluid enters maternal circulation?
Amniotic fluid embolism
What are risk factors for DVT postpartum?
C-section, immobility, obesity, smoking, multiparity, AMA, hx of thromboembolism