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77 Cards in this Set

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latent phase
what is the first phase of the first stage of labor?
the sac containing the amniotic fluid breaks, contractions are becoming more frequent (5-20 minutes), the cervix dilates 3-4cm and effaces
what happens in the latent phase of stage one?
latent phase
what is the longest and least intense phase of labor?
4-24 hours
how long does latent phase last?
active phase
what is the second phase of the first stage?
dilation of the cervix 4-7 cm, contractions longer, more severe, and more frequent (3-4 minutes apart)
what happens in active phase?
transition phase
what is the last phase of the first stage called?
cervix dilates 8-10 cm, contractions very strong (60-90 seconds apart every few minutes)
what happens in transition phase?
active and transition
what phases in stage one are the shortest?
the delivery
what is stage 2 called?
when the cervix is completely opened and ends with the delivery of the baby
how does the delivery begin and end?
pushing stage
what is another name for the delivery stage?
what is it called when the baby's head is visible at the opening of the vagina?
30 minutes to 2 hours
how long does the delivery take for a woman's first pregnancy?
15-30 minutes
how many minutes are between stage 2 and 3 of labor?
delivery of the placenta
what is the name for stage 3?
heart rate, breathing, muscle tone, the ability to react to a stimulus by moving and crying, and skin color
what 5 things does the Apgar score check?
Ectopic pregnancy
the blastocyst forms and becomes implanted in the fallopian tube
is the expulsion of a dead zygote, blastocyst, embryo, or fetus from the uterus
is the birth of a dead, full-term fetus
what percentage of babies born in the US are from a cesarean section?
1 hour
how long does a cesarean section take to complete?
premature birth
this occurs early in the third trimester. The fetus's lungs are not fully developed, so it cannot breathe by itself
fraternal twins
2 eggs fertilized by 2 sperm, different sets of chromosomes, may or may not be the same sex
identical twins
already fertilized egg divides into 2,3, or 4, same sex, same blood type, and share the same placenta
conjoined or Siamese twins
fertilized egg splits after the 8th day, joined together by a body part, may or may not be separated after birth
c section
what is another name for a cesarean section?
cesarean section
what is a surgical method of birth?
how is the Apgar score graded for each area?
Describe 1st stage of labor
from onset of labor to complete cervical dilation (10cm)
Describe 2nd stage of labor
from complete cervical dilation to delivery of infant
Describe 3rd stage of labor
from delivery of infant to delivery of placenta
Describe latent phase of 1st stage of labor
from onset of labor to 4cm cervical dilation
Describe active phase of 1st stage of labor
from 4cm cervical dilation to complete cervical dilation (10cm)
Duration latent phase
primi 6-11 hrs; multi 4-8 hrs
Duration active phase
primi 4-6 hrs; multi 2-3 hrs
Duration second stage
primi 0.5-3.0 hrs; multi 5-30 min
Duration third stage
primi/multi 0-0.5 hrs
Prolongation of latent phase
seen with excessive sedation and hypertonic uterine contractions
Prolongation of active phase
seen with cephalopelvic disproportion
During what stage does the baby go through all 3 cardinal movements of labor?
second stage
stage one- cervical dilation
begins with onset of regular uterine contractions and ends when the cervical opening is fully dilated
stage two- expulsion
extends from end of the first stage until the baby is completely expelled
stage three- placental
extends from birth of the child until all of the afterbirth is expelled
postpartum stages
hour or two after delivery that uterine tone is established
is a prefix meaning after
shortening and thinning of the cervix during labor
care of a newborn for the 1st 28 days
newborn child
is a prefix meaning new
extra or ect/o
prefixes meaning situated on or outside
outside the uterus
ectopic pregnancy
occurs when the egg is fertilized outside the uterus (egg implants in a uterine tube) (test tube baby)
suffix meaning surgical puncture
surgical puncture of the amnion releasing amniotic fluid
Cause of accelerations
fetal movements
Cause of early decelerations
head compression from the uterine contraction (normal)
Cause of late decelerations
uteroplacental insufficiency and fetal hypoxia
Cause of variable decelerations
umbilical cord compression (most often due to oligohydramnios)
Causes of bradycardia
1) congenital heart malformations, 2) severe hypoxia (due to uterine hyperstimulation, cord prolapse, rapid fetal descent)
Causes of tachycardia
1) hypoxia, 2) maternal fever, 3) anemia
Definition fetal bradycardia
<110 bpm
Definition fetal tachycardia
>160 bpm
Definition early deceleration
gradual (onset to nadir in >30s) decrease in FHR with return to baseline that MIRRORS uterine contraction
Definition late deceleration
gradual (onset to nadir in >30s) decrease in FHR with return to baseline that begins and ends after uterine contraction
Definition variable deceleration
abrupt (onset to nadir in <30s) decrease in FHR below baseline lasting >15s but <2min
Average time to perceive 10 fetal movements during third TM
20 minutes
Definition reactive NST
(normal response) 2 accelerations of >15bpm above baseline for >15s over 20 minute period
Definition nonreactive NST
<2 accelerations over a 20 min period
4 causes of nonreactive NST
1) GA <32 wks, 2) fetal sleeping, 3) fetal CNS anomalies, 4) maternal sedative or narcotic administration
5 parameters of a biophysical profile (BPP)
Test the Baby, MAN! 1) fetal Tone, 2) Breathing, 3) Movement, 4) Amniotic fluid volume, 5) NST
Reassuring BPP score
Equivocal BPP score
Worrisome BPP score
Definition of modified BPP (mBPP)
combines NST with amniotic fluid index (AFI)
Normal mBPP
reactive NST with AFI >5cm
Definition oligohydramnios