Exam 1 Content Flashcards
Gravida (G)
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Total number of confirmed pregnancies
- regardless of whether the pregnancies resulted in birth, miscarraige, abortion, or ectopic pregnancy
Para (P)
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Number of pregnancies in which the fetus or fetuses have reached 20 weeks gestation
*
Para has 4 categories:
* Term (T)
* Preterm (P)
* Abortion (A)
* Living (L)
- NOT the number of individual fetuses (twins = 1 pregnancy)
Term (T)
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Can also be “F” for full term
Number of pregnacies resulting in full term birth
* 37+ weeks gestation
Preterm (P)
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Number of pregnancies resulting in preterm birth
* 20 - 36 weeks gestation
Abortion (A)
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Number of pregnancies that ended BEFORE 20 weeks gestation
- due to miscarraige or elective abortion
Living (L)
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Number of currently living children the woman has
How many weeks is considered full term?
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37+ weeks gestation
How many weeks is considered a pre-term birth?
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20 - 36 weeks gestation
An abortion is a pregnancy that ends before how many weeks gestation?
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BEFORE 20 weeks gestation
Define each trimester
First Trimester
* 1 - 13 weeks
Second Trimester
* 14 - 26 weeks
Third Trimester
* 27 - 40 weeks
What is EDC?
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Estimated Date of Confinement
* due date
Naegle’s Rule
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Used to determine estimated date of birth
- date of LMP - 3 months + 7 days
Primigravida
First pregnancy
Multigravida
2 or more pregnancies
Precipitous Birth
Quick birth
* onset to birth is less than 3 hours (from time water breaks to birth of the baby)
What is the postpartum period?
From delivery of the placenta to the return of the reproductive system to the non-pregnant state
- usually 6-8 weeks
Prenatal Visit Schedule
- First visit within first trimester (12 weeks)
- Monthly visits between 16 - 28 weeks
- Visits every 2 weeks from 29 - 36 weeks
- Weekly visits from 36 weeks until birth
What is involution?
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When the uterus returns to pre-birth state
* within 12 hours palpate the fundus 1 cm above the umbilicus; make sure the bladder is empty
- by 2 weeks the fundus should NOT be palpable
When should the fundus no longer be palpable after birth?
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2 weeks
What is subinvolution?
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Uterus fails to return to pre-pregnancy state / size
- caused by retained placental fragments & infection
There is an increased risk of what if the placenta is left inside the body and not all segments are removed?
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Risk of hemorrhage
Lochia
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Combination of blood, mucus, & tissue discharged from the uterine lining
* 3 types: rubra, serosa, alba
Lochia Rubra
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- Rubra = Ruby Red
- 1-3 days
- May have small clots
- Reddish or red-brown vaginal discharge that occurs immediately after childbirth
- mostly composed of blood with clots (grape sized clots)
Lochia Serosa
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- Pinkish brown
- 4 - 10 days after delivery
- pink, serous, or blood-tinged vaginal discharge
- pinkish / brown
- little to no clotting
Lochia Alba
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- Whitish yellow
- 10 - 14 days
- Can last 3 - 6 weeks
- White, cream-colored, or yellow vaginal discharge that occurs 10 days but can last up to 6+ weeks after delivery
- contains WBCs
What are the 3 types of lochia & how long do they last?
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Really Sore After
Lochia Rubra
* Ruby Red
* 1-3 days
Lochia Serosa
* Serous / pink-ish
* 3 - 10 days
Lochia Alba
* white / cream-colored
* 10 - 14 days; may be up to 6 weeks
Really Sore After
Mnemonic for types of Lochia
- Really
- Sore
- After
Really = Rubra (1-3 days; ruby red)
Sore = Serosa (4-10 days; pink/brown)
After = Alba (10-14 days but up to 3-6 weeks; white / yellow)
What is the normal Quantitative Blood Loss (QBL) for vaginal & c-section deliveries?
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Vaginal < 500 mL
C-Section = 1,000 mL
- 1 g = 1 mL of blood
What might the presence of free-flowing, bright red blood indicate?
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Cervical laceration
Pregnancy is considered to be what type of state?
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Hypercoaguable
- due to increased levels of fibrinogen & clotting factors
What is the most common postpartum complaint?
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HEADACHE
- Tx = magnesium sulfate
Preeclampsia
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A complication of pregnancy characterized by:
* hypertension (↑ BP)
* edema
* proteinuria (protein in urine)
What is a common cause of excess bleeding?
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Uterine atony
What is uterine atony?
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Failure of the uterine muscle to contract
Tx: hemabate or methergine
What is the treatment for uterine atony?
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Hemabate or Methergine
Presumptive Signs of Pregnancy
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subjective changes experienced by the woman
* fatigue
* breast changes
* amenorrhea
* nausea / vomiting
* urinary frequency
Probable Signs of Pregnancy
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Objective changes observed / perceived by the examiner that strongly suggest pregnancy
- positive pregnancy test
- Hegar sign (softening of uterus)
- Chadwick sign (bluish discoloration of cervix, vagina, labia due to increased blood flow to the area)
- Braxton Hicks contractions
Positive Signs of Pregnancy
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Objective changes observed by the examiner that indicate proof of pregnancy
- fetal heart tones
- ultrasound
- fetal movements visible / palpated by examiner
Beta hCG
Earliest marker of pregnancy
* can be detected in maternal serum or urine as soon as 7-8 days before expected menses
- usually doubles every 2 days for first 4 weeks of pregnancy
What are the 4 types of thermal heat loss in a newborn?
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- Conduction - loss of heat from body surface to cooler surface via direct contact
- Convection - flow of heat from body surface to cooler air
- Evaporation - liquid turns to vapor (dry baby immediately after birth)
- Radiation - body heat is lost to the envirionment (window, fan, ac, cold walls, etc.)
- COnvection = COol (air)
What are the 4 factors that stimulate initiation of respiration / breathing for a newborn?
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- Chemical
- Mechanical
- Thermal
- Sensory
- Chemical = Contractions
- Mechanical = pressure from labor pushing fluid out of the lungs
- Thermal = womb temperature to outside temperature
- Sensory = Suctioning / drying
What is the first organ system to develop in utero?
Cardiovascular
Non-shivering Thermogenesis
Use of brown fat to generate heat without muscle shivering
Normal Respiratory Rate
30 - 60 breaths per minute
- tachy = over 60 bpm
- brady = less than 30 bpm
Normal Fetal Heart Rate
120 - 160 bpm
Normal Fetal Blood Pressure
75 - 95
over
25 - 45
Newborn Voiding
Should void by 24 hours of life
* day 1 = 1 void
* day 2 = 2 voids
* etc.
Meconium
First BM; passed within 12-24 hours of life
Can maternal glucose cross the placenta in utero?
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YES
When are Apgar scores done?
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1, 5, & 10 minutes
- can be done every 5 minutes up to 20 minutes
What is the difference between newborn tremors & newborn seizures?
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- Newborn Tremors or jitters will stop with gentle restraint
- Newborn Seizures are uncontrolled electrical disturbances that do NOT stop with gentle restraint
Do newborn seizures or newborn tremors stop with gentle restraint?
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Newborn tremors
Chorioamnionitis
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Inflammation of amniotic sac (the chorion & amnion)
Newborn Eye Prophylaxis
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Prevents gonorrhea tramsnission from mother to baby
- erythromycin 0.5 - 1 mg within 1-2 hours of birth
Vitamin K Injection
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Given to prevent hemorrhage because the baby’s gut is sterile
- aquamephyton 0.5 - 1 mg IM
AGA
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Appropriate for Gestational Age
* 50th percentile
LGA
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Large for Gestational Age
* > 90th percentile
SGA
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Small for Gestational Age
* < 10th percentile
Caput Succedaneum
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generalized scalp swelling that CROSSES the suture line
- common after vacuum assisted delivery
Who is Rh immune globulin administered to?
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Rh negative (Rh -) mothers
What happens if an Rh- mother gives birth to an Rh+ fetus?
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Rh immune globulin is repeated within 72 hours of birth
What are the 5 P’s of Labor & Birth?
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- Passenger: fetus & placenta
- Passageway: birth canal
- Powers: contractions
- Position of the laboring woman
- Psychology / Psychological Response
What 3 fetal indicators does Leopold’s Maneuver assess?
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- Fetal Presentation (breech, head down / vertex, shoulder etc.)
- Fetal Lie (relation of fetus’ spine to mother’s spine)
- Fetal Attitude (relation of fetal body parts to one another; usually flexed)
Fetal Lie
**relationship of the spine **(long axis) of the fetus to the spine (long axis) of the mother
- either longitudinal/vertical or transverse/horizontal or oblique
Fetal Attitude
Relation of the fetus’ body parts to one another
- usually in a flexed position
Fetal Position
Describes the relationship of the presenting part of the baby to the 4 quadrants of the mother’s pelvis
What term is used to describe the relationship of the presenting part to the 4 parts of the mother’s pelvis?
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Fetal Position
Fetal Station
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- Relationship of fetal part ot imaginary line between the maternal ischial spine
OR
- Measure of the degree of descent of the presenting part through the birth canal
-5
-4
-3 = Minimum to rupture membranes; risk of prolapsed cort if not at -3
-2
-1
0 (baby is engaged)
+1
+2
+3
+4
+5 (birth is imminent)
Engagement
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Presenting part of the baby has passed the true pelvis / is in line with the mother’s ischial spine
- Station 0 = engaged
Effacement
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Thinning & shortening of the cervix
Measured in %
- when 100%, only thin edge can be palpated
Dilation
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Enlargement or widening of the cervical opening
- measures from less than 1 cm to 10 cm
Full Dilation = 10 cm
Primary Powers
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Involuntary contractions that are responsible for effacement & dilation of the cervix, as well as fetal decent
Secondary Powers
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Voluntary bearing down efforts by the mother
What is bloody show?
A small amount of blood at the vagina from ruptured capillaries when the cervix effaces
What is the definition of true labor?
dilation & effacement of the cervix AND descent of the fetus
Stages of Labor
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- First Stage: onset of regular contractions to full cervical dilation
- Second Stage: full dilation of cervix to birth of infant
- Third Stage: birth of infant until delivery of placenta
- Fourth Stage: delivery of placenta to first 2 hours postpartum
Define the first stage of labor
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Onset of regular contractions
to the
full cervical dilation
Define the second stage of labor
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Full cervical dilation
to
birth of the infant
Define the third stage of labor
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Birth of the infant
to the
delivery of the placenta
Define the fourth stage of labor
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Delivery of the placenta
to the
first 2 hours postpartum
What is the difference in an ultrasound transducer and a tocotransducer?
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**Tocotransducer = ** measures uterine contractions and is placed over uterine fundus
*
Ultrasound Transducer = measures the fetal heart rate (FHR) and is placed over fetal back, BELOW mother’s umbilicus
Epidurals
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Can cause hypotension
- give fluid bolus of LR 15-30 minutes prior
Ultrasound Transducer
**What is the difference in an ultrasound transducer and a tocotransduce
Measures Fetal Heart Rate
- placed on fetal back & below mother’s umbilicus
Tocotransducer
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Measures uterine contractions
- placed over uterine fundus
Intrauterine pressure catheter (IUPC)
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Measures changes in uterine pressure
Fetal Scalp Electrode
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Measures fetal heart rate
- invasive procedure since electrode goes into fetus’ head
- can only be done if membranes are ruptured
What is baseline fetal heart rate (FHR)?
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Average rate during a 10 minute segment
What is the normal range for baseline fetal heart rate (FHR)?
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110 - 160 bpm
- Brady is < 110 bpm
- Tachy is > 160 bpm
What is variability in fetal heart rate?
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Irregular waves or fluctuations in the baseline fetal heart rate
Describe the 4 categories of baseline fetal heart rate variability
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Absent - amlitude range is undetectable
* fetal sleep cycle
Minimal - amplitude range ≤ 5 bpm
Moderate - amplitude range 6-25 bpm
Marked Variability - amplitude range > 25 bpm
* many cases this is likely a normal variant
Absent Variability
Amplitude range is undetectable
Minimal Variability
Amplitude range is ≤ 5 bpm
Moderate Variability
Amplitude range is 6 - 25 bpm
Marked Variability
Amplitude range is > 25 bpm
Baseline Fetal Heart Rate Accelerations
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Acceleration to peak is < 30 seconds
*
Peak must be ≥ 15 bpm for at least 15 seconds
Abrupt increase in FHR
What are fetal heart rate decelerations?
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Decreases in fetal heart rate
- early
- late
- variable
- prolonged
Explain VEAL CHOP!!!!!!
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- Variable decelerations = Cord compression
- Early decelerations = Head compression
- Accelerations = Okay
- Late decelerations = Placental insufficiency / perfusion issues
What are early decelerations & what is the cause?
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Mirrors contractions
- CAUSE: Cord compression (V = C in VEAL CHOP)
What are late decelerations & what is the cause?
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Dip in fetal heart rate AFTER the peak of the contraction
- CAUSE: Placental insufficiency (L = P in VEAL CHOP)
What is the management for abnormal fetal heart rates?
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LIONS PIT
*
1.) STOP PITOCIN = FIRST STEP
*
- Left side lying
- IV fluid bolus
- Notify physician
- 1.) Stop Pitocin
Babies have root & suck reflex until what age?
4 months
Babies have moro reflex until what age?
6 months
Babies have palmar grasp reflex until what age?
4-6 months
Babies have plantar grasp reflex until what age?
9 months - 1 year
Babies have Babinski reflex until what age?
1 year
Babies have tonic neck / fencing position reflex until what age?
4 months
Babies have stepping reflex until what age?
3-4 months
Contraindications for spinal / epidural block
- platelets greater than 100,000
- HTN
- Infection
- coagulopathy
What is the treatment for maternal hypotension with decreased placental perfusion after anesthesia?
- Left side
- IV bolus
- Displace uterus
- Elevate legs
- Vasopressors