OB exam 1 Flashcards

1
Q

Para

A

Number of pregnancies that reached viability. Dead or alive. Greater than 20 weeks.

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2
Q

Gravida

A

Is or has been preg. Includes abortions.

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3
Q

Primigravida

A

First pregnancy

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4
Q

Primipara

A

Has given birth to one child past age of viability

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5
Q

Multi gravity

A

Has been preg previously

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6
Q

Multipara

A

Has carried two or more pregnancies to viability.

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7
Q

Nulligravida

A

Has never been and is not currently preg

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8
Q

Post term

A

Pregnancy that goes beyond 42 weeks plus 6 days

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9
Q

Preterm

A

Preg that has gone beyond 20 weeks but has not completed the full 38 weeks plus 6 days

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10
Q

Term

A

Beginning of 38 weeks and went to the end of the 42nd week plus 6 days

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11
Q

Viability

A

Capable of. Living outside uterus. 22-25 weeks

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12
Q

Fertilization

A

Union of ovum and spermatozoon. Occurs in the outer third of Fallopian tube

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13
Q

Implantation

A

Contact between growing structure and uterine endometrium. 8-10 days after fertilization

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14
Q

Decidua

A

Shedding the lining of the uterus

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15
Q

Chorionic villi

A

Join with soft tissue to make placenta

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16
Q

Babies body

Placenta is

A

Pumps blood

The reservoir

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17
Q

2 arteries 1 vein. In placenta

A

Vein brings oxygenated blood.

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18
Q

Ductus arterioles

A

Bypass lung

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19
Q

Foramen ovale

A

Bypass right ventricle.

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20
Q

NST

A

Want 2 accelerations of 15 bpm, lasting 15 seconds, within 20 minutes.

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21
Q

Positive NST/CST

A

BAD! Want it to be negative.

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22
Q

Biophysical profile

A

NST, fetal breathing, gross body movement, fetal tone, quantity of fluid, grade placenta.

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23
Q

Fetal kick count

A

Over 6 per hour.

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24
Q

Fundal height

A

Should be at belly button at 20 weeks.

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25
Q

Fungal height

A

Measure from pubic symphysis to fundus.

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26
Q

Maternal serum alpha feto protein. MSAFP

A

If more than specific amount than suspect neural tube defect. If lower suspect downs.

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27
Q

Chorionic villus sampling CVS

A

Get DNA from placenta .can be done before 12 weeks.

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28
Q

Pericutaneous umbilical sampling PUBS

A

Done under general anesthesia. Take blood from cord. Done late. 36 weeks.

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29
Q

Amniocentesis

A

To get DNA. 1 weeks.

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30
Q

Pseudocyesis

A

False pregnancy.

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31
Q

Presumptive signs of preg

A
Amenorrhea
Breast soreness
NV
Frequent urine
Quickening. 
Linea negra, melasma, striae gravidarum
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32
Q

Probable signs of pregnancy

A

Lab test 95-98% reliable.
Home test, if neg repeat in week.
Hegar-vaginal exam to feel uterus and baby.
Goodell-cervix become soft
Chadwicks-cervix become engorged with blood and become bluish.
Braxton hicks- contraction of uterus to help blood flow and growth.
Fetal outline felt.

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33
Q

Accelerations

A

Increase HR of baby to we know brain is being oxygenated.

If flat than baby could be asleep or in bad shape.

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34
Q

Placental function

A
Lungs- o2 and co2 exchange.
GI-absorbe nutrients
Renal- filter urea and other waste.
Liver-processes moms blood for iron.
Endocrine- maintains pregnancy and prevents another. Prepares breasts for lactation.
Thermal control. 
Immune- mostly bacterial stuff.
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35
Q

Whartens jelly

A

Cushions cord.

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36
Q

HCG hormone produced to…

A

Continue to manufacture progesterone.

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37
Q

Where does contraction start?

A

Top middle of fundus then goes down and in.

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38
Q

During contraction 02 is temporally cut off.

A

Not completely.

39
Q

Compromise=

A

Hypoxemia deteriorating to severe hypoxia. Can lead to cerebral palsy.

40
Q

Decrease in oxygen can be from

A
Contractions
HTN
Hypo(supine, hemorrhage, anesthesia)
Hypovolemia
Anemia
Alterations in fetal circ. (Cord compression)
41
Q

Use Doppler 1st stage; 2nd stage

A

Q15-30 min

Q5-15 min

42
Q

If water breaks, check?

A

FHT, cord may be compressed.

43
Q

Position changes

A

Put in knee chest position (on back, hips off bed)

Never trendelenberg!

44
Q

Internal monitoring

A

IFM direct

45
Q

External monitoring

A

EFM, indirect

46
Q

IUPC

A

Shows intensity of contraction, duration, and resting tone.

Can pull or push fluids.

47
Q

TOCO

A

Electrical fetal monitoring, shows contractions. Do not use gel.

48
Q

Fetal ultra sound

A

Use gel.
Detects movement, not sound.
Apply to babies back.

49
Q

Spiral electrode

A

Internal monitor.
Shows dysrhythmias with no artifact.
Accurate short term variability STV
Must be 2cm dilated. And head in pelvis.

50
Q

Augmentation

A

Having contractions but give ptosin to make them stronger.

51
Q

Kangaroo care

A

Warm baby by putting on moms bare chest

52
Q

How many extremities do we take baby BP

A

2

53
Q

First VS taken

A

RR. 30-60 normal.

Take for 1 full minute!!

54
Q

When taking measurements of baby

A

Head, chest, belly.

Head should be the biggest.

55
Q

TOLAC

A

Attempts to labor by women that has previously had a C-section.

56
Q

VBAC

A

Successful trail of labor resulting in vaginal birth.

57
Q

Contractions are:

A

Involuntary, neural, hormonal, and pharm influences.

58
Q

Relaxation period must be how long?

A

60 seconds to reprofuse blood.

59
Q

3 stages of contraction

A

Increment, Acme, decrement.

60
Q

Hyper tonus

A

Resting state.
< 25 mmhg.
Normal resting tone- 5-25.
Average 8-12

61
Q

Monte vedeo units, MVU

A

Anything between 150-200 is adequate. Shows contractions are strong enough to give birth.
If over 300 stop ptosin. Baby is being stressed.

62
Q

Dystocia

A

Slow labor; abnormal; cant get contractions started.

63
Q

NADIR

A

Shows depth of de-accelerations.

64
Q

Duration and intervals are measured in?

A

Seconds.

65
Q

Coupling

A

Two contractions at once.

Depends on position of baby.

66
Q

Hyperstimulation

A

One contraction after another. No 60 seconds.

Could be from abruption (uterus shedding placenta)

67
Q

Tetany

A

Long contraction.

Shouldn’t last of 90 seconds.

68
Q

Variability contraction

A

Good variability shows well being.

Push and pull of nervous system.

69
Q

Marked variability, good or bad?

A

Bad. Turn mom to left side to improve o2 and circulation to uterus.

70
Q

Periodic changes happen?

A

With each UC

71
Q

Episodic

A

Not associated with UC.

72
Q

Early decelarations

A

Response to fetal head compression.

73
Q

Late decelerations due to?

A

Uteroplacental insufficiency. Not good, low o2

74
Q

Variable decel due to?

A

Cord compression.

75
Q

Early decel

A

Baby could be breached

76
Q

cephalo pelvic disproportion

A

Pelvis too small

77
Q

As hypoxia continues you will see:

A

Late decels
> loss of accels
>loss of variability
> rising or lowering baseline.

78
Q

Actions for hypoxia:

A
Get help!
 DC oxytocin(ptosin), aminoinfusion.
Put on left side.
Fluid bolus LR or NS to slow contraction
O2 by mask 8-10L
check BP.
79
Q

If hypoxia than what meds?

A

Epinephrine if BP is the problem
Terbutaline if contractions are the problem
Possibly mag sulfate.

80
Q

To assess fetal well being:

A

Scalp stimulation
Scalp sampling (to do ABG)
Spiral electrode test

81
Q

Recommended auscultation:

A

Q15 in first stage
Q5 in second stage.
Q10 thereafter. Review tracing that often.

82
Q

What to chart

A
Baseline rate
Variability
FHR, changes with characteristics.
Contraction patterns
Interventions, response, communication
83
Q

Goal for hypoxia

A

Detect early to prevent acidosis, and brain injury.

84
Q

Danger signs 1st trimester

A

Severe persistant vomiting.
Abd pain and vaginal bleeding
Infection

85
Q

Danger signs 2nd trimester

A
Maternal- 
Preeclampsia
Premature rupture of membranes.
Premature labor
Fetal-
Decreased fundal height.
Absence of fetal movement.
86
Q

Danger signs 3rd trimester

A
Maternal-
Gestational diabetes
Placenta previa 
Abruption
Fetal-
Hypoxia
87
Q

Prolactin

A

Milk manufacture

88
Q

Estrogen

A

Duct sprouting

89
Q

Progesterone

A

Lobule formation

90
Q

Oxytosin

A

Let down.

91
Q

Let down, hypothalamus

A

Sucking stimulates nerve fibers in the nipple, message goes up spinal column.

92
Q

Let down, pituitary gland

A

Responds by releasing hormones prolactin and oxytocin.
Pro- stim milk production
Oxy- stimulate muscle contraction of uterus.

93
Q

Breast feeding should be done how long on each side?

A

10 minutes

94
Q

Should have How many wet diapers per day?

A

At least 6