Final Exam Blueprint Flashcards
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**Infertility - medication that is commonly given for anovulatory infertility
Clomiphene citrate (Clomid)
- is a selective estrogen receptor modulator
- common first-line medication to induce ovulation
Usually started 5 days after the start of menses
- the risk of miscarriage or ectopic pregnancy is the same as with spontaneous pregnancies
- risk of multiple gestation is increased 7% with Clomid compared to spontaneous pregnancies
If oral meds fail…
Human menopausal gonadotropin (Pergonal)
Require close monitoring due to risk of multiple gestation and risk of ovarian hyperstimulation
**
Patients who would benefit from preconception counseling
Who: Ideally, anyone who might bear a child, on a regular basis.
But especially:
Women with chronic disease - e.g. diabetes, hypertension, bipolar disorder, obesity, etc
Women with modifiable/non-modifiable risk factors
Women with previous poor obstetric outcomes
Women from populations known to have increased risk
Prenatal nutrition
online - key nutrients and dietary recommendations:
- folate
- iron
- calcium and vitamin D
- protein
- omega-3 fatty acids
online dietary tips: balanced diet, prenatal vitamins, hydration, limit processed foods sugars and unhealthy fats, and stay active
online - foods to avoid:
- alcohol
- high-mercury fish
- unpasteurized dairy
- excessive caffeine
- processed foods and sugary drinks
**What is Nagele’s Rule?
Helps determine estimated due date (EDD)
1. determine date of last menstrual period (LMP)
2. subtract 3 months
3. add 7 days
Example: LMP - march 17th
go back 3 months: december
add 7 days: 24
EDD: 12/24
**TOLAC/VBAC
Major Risk: uterine rupture
Contraindications:
Vertical uterine incision
Short intervals between pregnancies (less than 6 months)
Fetal Macrosomia
Over 40 weeks gestation
More than one cesarean section
**Be careful with induction -
No cervidil or misoprostol
Assess with palpation frequently
Avoid tachystole
**TOLAC/VBAC and uterine rupture
May be offered when the cause of the first cesarean is not likely to recur
Many hospitals do not offer TOLAC/VBAC as an option
Advantages:
Avoids risk of post-op complications
Easier recovery
Provides psychological resolution of birth trauma r/t unplanned cesarean
Success rate: 13.8% (Bruno et al., 2022)
More successful when labor starts naturally
More successful if woman has ever had vaginal birth
**Hormonal birth control: Contraceptive Injection
Hormone, duration, failure rate
Depo-Provera
- PROGESTIN-ONLY
- given every 13 weeks until pregnancy desired
- failure rate: 6%
- should start DMPA within 7 days of start of last menstrual
- concerns include weight gain
- use with breastfeeding mothers: may lessen milk production
**What are diagnostic tests for fetal wellbeing
- ultrasound
- genetic testing (CVS, Quad screen, NIPT, MSAFP)
- 1 hour glucose tolerance test (about 26 weeks)
– if >135 one hour later, refer for 3 hour GTT - group beta strep: about 36 weeks
– treat with PCN during labor - non-stress test: look for 2 accelerations of the fetal heart in 20 minutes
-
Biophysical profile (BPP): done with ultrasound
– 5 criteria; 2 points or 0
– assess fetal wellbeing
– fetal movement, tone, breathing, amniotic fluid, NST
– 8-10/10: reassuring; 6/10 monitor; lower = deliver
(she will not ask about genetic tests on exam)
**
Blood work/labs at first OB appointment (8)
Blood: CBC
Blood-type
Rh-factor
Gonorrhea
Hepatitis
Chlamydia
Rubella Titer
+
Urine Culture
**
Medications to use with preeclampsia and its assessment (5 assessments)
Magnesium sulfate - assessing DTR, respirations, urine output, BP, LOC
Administration:
- 4g bolus over 20 minutes
- 2g/hr maintenance
- hourly mag checks (I&O, DTR, RR)
**
For preconception counsenling- how do you know where to begin with a patient?
Health history
What does tachysystole look like on a strip?
Causes/risk factors?
more than 6 uterine contractions in a 10 minute period averaged over a 30 minute window
- increase in tone: little rest (gas exchange takes place during rest)
Causes/risk factors:
- cervical ripening
- oxytocin induction
- endogenous: nipple stimulation and prostaglandins
- abruption, uterine rupture
give terbutaline
What does the nurse do regarding tachysystole?
Interventions:
- pull cervidil
- discontinue oxytocin (pitocin)
- fluid bolus
- terbulatine
- if cause is abruption or uterine rupture: cure is surgical
Scenario she added:
The assigned nurse initiates the correct steps (what are they?) and needs to delegate:
- One nurse needs to call the provider and give SBAR.
- One nurse needs to obtain terbutaline 0.25 mcg for subcutaneous administration and perform the assessments that are required before the med can be safely administered.
- One nurse is going to document all actions
S/s of worsening preeclampsia
With severe features
- severe range hypertension: 160/110
- persistent headache or visual disturbance
- epigastric pain (RUQ)
- HELLP syndrome: hemolysis, elevated liver enzymes, low platelets
- worsening renal function: elevated creatinine, oliguria
– crt. 0.6-1.0 normal; 1.1-1.2 is sus
- non-reassuring fetal testing
need to deliver
**Progestin Only Pills (POPs)
If you miss a dose?
- contain only progestin
- SAFE for breastfeeding mothers
- 28 pills; no placebo
- have to be taken within 3-hour window every day to be effective
- primary side effect: less regular period, more breakthrough bleeding
- if pregnancy occurs: more likely to be ectopic
**
Why do you give fluid bolus with epidurals
to avoid hypotension
**
**Hormonal birth control: Contraceptive Patch
Twirla and Ortho-Evra
- combination method: estrogen and progestin
- applied weekly for 3 weeks (off for one for bleeding)
- apply on upper back, upper arm, upper buttock, or lower abdomen
– NOT ON BREAST
- rotate site weekly
- less effective when BMI over 30
- failure rate 9% - higher with obesity
- not for breastfeeding mothers
**VEAL CHOP
V: Variable C: cord compression
E: Early H: head
A: accels O: oxygen (okay)
L: late P: placental insufficiency
**Antidote of magnesium sulfate
calcium gluconate
What is your priority with placental abruption?
- both previa and abruption cause vaginal bleeding
- both can cause massive hemorrhage
- both can cause death of mother and/or baby
__________________________________________ - large bore IV access and volume (2 18G)
- expanders: LR and NSS
- obtain baseline H&H, clotting factors, type and crossmatch
- monitor: VS, uterine activity, FHR
– may need CVP line - Cesarean 90% (can attempt vaginal if grade 1 maybe)
- cryoprecipitate if fibrinogen is low
- tranexamic acid (TXA): can mitigate some blood loss
- administer blood
Nursing responsibilities with Vacuum-assisted vaginal delivery
- straight cath
- monitor FHR
- note time of application, length of pull, number of pop-offs, descent, time delivered
- Mityvac: nurse pumps handle and needs to stay in green
- make sure NICU at delivery
**tell patient the baby will have bruises on its head in a cup shape for a few days after birth
What are the positive signs of pregnancy?
If you see a baby, hear a baby, feel a baby
- visualization of baby on ultrasound
- fetal heart tones
- palpable fetal movement assessed by an examiner
**What is placental abruption?
placenta separates from the uterine wall before the delivery of the baby
**Placental previa signs
- presents with painless, bright red bleeding in large amounts
- maternal condition consistent with apparent blood loss
- apparent on ultrasound
- Cesarean is the ONLY safe delivery
- first episode may be self-limiting (warning)
– second episode: delivery indicated