Obgyn Stages Of Labor

Front 1

latent phase

Back 1

what is the first phase of the first stage of labor?

Front 2

the sac containing the amniotic fluid breaks, contractions are becoming more frequent (5-20 minutes), the cervix dilates 3-4cm and effaces

Back 2

what happens in the latent phase of stage one?

Front 3

latent phase

Back 3

what is the longest and least intense phase of labor?

Front 4

4-24 hours

Back 4

how long does latent phase last?

Front 5

active phase

Back 5

what is the second phase of the first stage?

Front 6

dilation of the cervix 4-7 cm, contractions longer, more severe, and more frequent (3-4 minutes apart)

Back 6

what happens in active phase?

Front 7

transition phase

Back 7

what is the last phase of the first stage called?

Front 8

cervix dilates 8-10 cm, contractions very strong (60-90 seconds apart every few minutes)

Back 8

what happens in transition phase?

Front 9

active and transition

Back 9

what phases in stage one are the shortest?

Front 10

the delivery

Back 10

what is stage 2 called?

Front 11

when the cervix is completely opened and ends with the delivery of the baby

Back 11

how does the delivery begin and end?

Front 12

pushing stage

Back 12

what is another name for the delivery stage?

Front 13

crowning

Back 13

what is it called when the baby's head is visible at the opening of the vagina?

Front 14

30 minutes to 2 hours

Back 14

how long does the delivery take for a woman's first pregnancy?

Front 15

15-30 minutes

Back 15

how many minutes are between stage 2 and 3 of labor?

Front 16

delivery of the placenta

Back 16

what is the name for stage 3?

Front 17

heart rate, breathing, muscle tone, the ability to react to a stimulus by moving and crying, and skin color

Back 17

what 5 things does the Apgar score check?

Front 18

Ectopic pregnancy

Back 18

the blastocyst forms and becomes implanted in the fallopian tube

Front 19

miscarriage

Back 19

is the expulsion of a dead zygote, blastocyst, embryo, or fetus from the uterus

Front 20

stillbirth

Back 20

is the birth of a dead, full-term fetus

Front 21

25%

Back 21

what percentage of babies born in the US are from a cesarean section?

Front 22

1 hour

Back 22

how long does a cesarean section take to complete?

Front 23

premature birth

Back 23

this occurs early in the third trimester. The fetus's lungs are not fully developed, so it cannot breathe by itself

Front 24

fraternal twins

Back 24

2 eggs fertilized by 2 sperm, different sets of chromosomes, may or may not be the same sex

Front 25

identical twins

Back 25

already fertilized egg divides into 2,3, or 4, same sex, same blood type, and share the same placenta

Front 26

conjoined or Siamese twins

Back 26

fertilized egg splits after the 8th day, joined together by a body part, may or may not be separated after birth

Front 27

c section

Back 27

what is another name for a cesarean section?

Front 28

cesarean section

Back 28

what is a surgical method of birth?

Front 29

0-2

Back 29

how is the Apgar score graded for each area?

Front 30

Describe 1st stage of labor

Back 30

from onset of labor to complete cervical dilation (10cm)

Front 31

Describe 2nd stage of labor

Back 31

from complete cervical dilation to delivery of infant

Front 32

Describe 3rd stage of labor

Back 32

from delivery of infant to delivery of placenta

Front 33

Describe latent phase of 1st stage of labor

Back 33

from onset of labor to 4cm cervical dilation

Front 34

Describe active phase of 1st stage of labor

Back 34

from 4cm cervical dilation to complete cervical dilation (10cm)

Front 35

Duration latent phase

Back 35

primi 6-11 hrs; multi 4-8 hrs

Front 36

Duration active phase

Back 36

primi 4-6 hrs; multi 2-3 hrs

Front 37

Duration second stage

Back 37

primi 0.5-3.0 hrs; multi 5-30 min

Front 38

Duration third stage

Back 38

primi/multi 0-0.5 hrs

Front 39

Prolongation of latent phase

Back 39

seen with excessive sedation and hypertonic uterine contractions

Front 40

Prolongation of active phase

Back 40

seen with cephalopelvic disproportion

Front 41

During what stage does the baby go through all 3 cardinal movements of labor?

Back 41

second stage

Front 42

stage one- cervical dilation

Back 42

begins with onset of regular uterine contractions and ends when the cervical opening is fully dilated

Front 43

stage two- expulsion

Back 43

extends from end of the first stage until the baby is completely expelled

Front 44

stage three- placental

Back 44

extends from birth of the child until all of the afterbirth is expelled

Front 45

postpartum stages

Back 45

hour or two after delivery that uterine tone is established

Front 46

post-

Back 46

is a prefix meaning after

Front 47

effacement

Back 47

shortening and thinning of the cervix during labor

Front 48

neonatal

Back 48

care of a newborn for the 1st 28 days

Front 49

neonate

Back 49

newborn child

Front 50

neo

Back 50

is a prefix meaning new

Front 51

extra or ect/o

Back 51

prefixes meaning situated on or outside

Front 52

extrauterine

Back 52

outside the uterus

Front 53

ectopic pregnancy

Back 53

occurs when the egg is fertilized outside the uterus (egg implants in a uterine tube) (test tube baby)

Front 54

-centesis

Back 54

suffix meaning surgical puncture

Front 55

amniocentesis

Back 55

surgical puncture of the amnion releasing amniotic fluid

Front 56

Cause of accelerations

Back 56

fetal movements

Front 57

Cause of early decelerations

Back 57

head compression from the uterine contraction (normal)

Front 58

Cause of late decelerations

Back 58

uteroplacental insufficiency and fetal hypoxia

Front 59

Cause of variable decelerations

Back 59

umbilical cord compression (most often due to oligohydramnios)

Front 60

Causes of bradycardia

Back 60

1) congenital heart malformations, 2) severe hypoxia (due to uterine hyperstimulation, cord prolapse, rapid fetal descent)

Front 61

Causes of tachycardia

Back 61

1) hypoxia, 2) maternal fever, 3) anemia

Front 62

Definition fetal bradycardia

Back 62

<110 bpm

Front 63

Definition fetal tachycardia

Back 63

>160 bpm

Front 64

Definition early deceleration

Back 64

gradual (onset to nadir in >30s) decrease in FHR with return to baseline that MIRRORS uterine contraction

Front 65

Definition late deceleration

Back 65

gradual (onset to nadir in >30s) decrease in FHR with return to baseline that begins and ends after uterine contraction

Front 66

Definition variable deceleration

Back 66

abrupt (onset to nadir in <30s) decrease in FHR below baseline lasting >15s but <2min

Front 67

Average time to perceive 10 fetal movements during third TM

Back 67

20 minutes

Front 68

Definition reactive NST

Back 68

(normal response) 2 accelerations of >15bpm above baseline for >15s over 20 minute period

Front 69

Definition nonreactive NST

Back 69

<2 accelerations over a 20 min period

Front 70

4 causes of nonreactive NST

Back 70

1) GA <32 wks, 2) fetal sleeping, 3) fetal CNS anomalies, 4) maternal sedative or narcotic administration

Front 71

5 parameters of a biophysical profile (BPP)

Back 71

Test the Baby, MAN! 1) fetal Tone, 2) Breathing, 3) Movement, 4) Amniotic fluid volume, 5) NST

Front 72

Reassuring BPP score

Back 72

8-10

Front 73

Equivocal BPP score

Back 73

6

Front 74

Worrisome BPP score

Back 74

0-4

Front 75

Definition of modified BPP (mBPP)

Back 75

combines NST with amniotic fluid index (AFI)

Front 76

Normal mBPP

Back 76

reactive NST with AFI >5cm

Front 77

Definition oligohydramnios

Back 77

AFI<5cm