OB: emergencies, stages of labor and their primary assessments, postpartum care Flashcards
What is Naegeles rule for EDB (estimated date of birth)?
subtract three months from first day of LMP and add one year and 7 days,
At 20 weeks gestation, where would the fundus be expected to be?
at the umbilicus, or, 20 cm.
between 10-14 weeks gestation, where should the fundus be?
16 weeks?
at or just above the symphis pubis
midway between symphis pubis and umbilicus
After 20 weeks, how does the fundal height change from week to week?
1 cm/week until 36 weeks
When does the period of viability start?
after 20 weeks or greater than 500g in weight
What is normal fetal movement? When should lack of movement be reported?
10 movements in one hour twice a day
less than 3 in one hour should be reported
which side do you lie on for vena cava syndrome?
LEFT
What is considered a good NST (reactive)?
two or more accels of 15 bpm that last 15 seconds over a 20 minute period with return to baseline
What is considered a positive or negative CST (contraction stress test)?
positive - decels with at least 50% of contractions
negative - no late decels with at least three 40-60 second contractions in 10 minute period
Cord prolapse interventions?
pressure on presenting part, tredelenburg or knee-to-chest,
what is considered a decel?
FHR falls below baseline for 15 seconds or more before returning to baseline
Meaning of early decel?
pressure on head from contraction in second stage pushing, mirror image of contraction on tracing, GOOD THING
meaning of late decel?
interventions?
usually begin at peak of contraction. NOT GOOD, PIH, diabetes, placenta previa, placental abruption
left-side (switch side, trendelenburg, or knee-chest if no change with left side), O2, start IV or increse flow-rate, stop oxytocin, c-section
variable decel, meaning, interventions?
U/V shape reduction occuring at any time
can mean cord compression - change positition
how does station work?
the more - the further up the uterus
