Intrapartum Care 1 Flashcards
what are the characteristics of true contractions ?
coordinated , involuntary , painful
what happens during contraction intervals ?
the blood supply goes back to the placenta , they get shorter as the contractions grow closer
how do you assess intensity of the contractions ?
palpate during contractions , if it feels like a nose = mild , chin = moderate , forehead = strong
what is the effacment of the cervix ?
shortening and thinning , 0-100%
what is a normal amount of blood loss during birth?
500ml (vaginal), 1000ml (c-section)
what does increased blood supply to the mother cause ?
increase in volume , decrease in BP and pulse
what happens to the resp. system during birth?
increased deep breaths , can lead to respiratory alklosis due to increased CO2 exhilation
why are woman derived of food during birth?
to prevent aspiration and vomiting
what are the four Ps of birth ?
power , passage , passanger , presentation
power :
primary : contractions , secondary : pushing
passage :
pelvis and tissue
what are the variations in the passanger ,
fetal lie, attitude , presentation , position , station
what is attitude ?
the relationship of the fetal parts to one another, flexion is normal
what is fetal lie?
its the relationship of the mother longitudinal axis to the fetus’s
types of fetal lie:
longitudinal : vertex of breech , transverse : laterally across uterus, oblique lie : diagonally
what is the most favorable presentation ?
LOA
what is fetal station?
relatioship of the presenting part to the ischum , from -3 to +3 , 0 is at the ischum spine
how does anxiety affect birth?
increases vitals, decrease pushing efforts, decrease pain threshold (feel more pain)
what is stage 1 of labor?
the effacment of the cervix , ends with the cervix being 10cm dilated
what is stage 2 of labor?
baby is delivered ,
what is stage 3 of labor?
birth of the placenta
what is stage 4 of labor?
stabilization, 4 hours after delivery
