Repro Exam Flashcards
when is Rhogam given?
28 weeks
when is the QUAD screen given?
second trimester
when is round ligament pain common?
second trimester
when is G/C tested for?
1st and 3rd trimester
when is GBS tested for?
35+ weeks
what is the first line treatment for N/V in pregnancy?
unisom
when is the GCT given?
24-28 weeks (first trimester if risk factors)
HA, vision changes, and RUQ pain are sx of what?
preeclampsia
how many weeks is considered a term pregnancy?
37
what is the standard for kick counts?
10 kicks/2 hrs
when is a fetal non-stress test performed?
after 28 weeks
what is considered post term (and labor should be induced)?
42 weeks and up
where is the most common place for the sperm and egg to meet?
ampulla
what are the risk factors for an ectopic pregnancy
1) previous ectopic
2) tubal surgery
3) endometriosis
4) hx pelvic infection
5) hx of infertility
6) IUD (if currently inserted)
7) smoking
what are the most common symptoms of an ectopic pregnancy
1) abd pain
2) missed LMP
3) vaginal bleeding
which should be included in the workup if you suspect an ectopic?
1) BHcg
2) CBC
3) type and screen
4) pelvic US
what does a bhcg tell you over a upreg?
quantity
what is the discriminatory zone and what is the lab range?
bhcg level at which an intrauterine gestational sac should be seen
at what value should a gestational sac be seen on US?
> 2000
at what point in a pregnancy should a gestational sac be seen?
4-5 weeks
at what point in a pregnancy should a yolk sac be seen?
5 weeks
at what point in a pregnancy should a fetal pole be seen?
6 weeks
at what point in a pregnancy should fetal heart motion (FHM) be seen?
6 1/2 weeks
how would you expect a bhcg value to change over 2 days?
should at least double
what is a heterotypic pregnancy?
extrauterine and intrauterine pregnancies occur simultaneously
how is a an ectopic dx?
1) adnexal mass c/w ectopic
2) free fluid in pelvis (ruptured ectopic)
3) hemodynamically unstable
4) bhcg > 1500-2000 w/o an intrauterine sac
what should you do if you suspect an ectopic but can’t prove it yet?
1) repeat bhcg in 48 hrs
2) repeat pelvic US
3) give ectopic precautions and bleeding precautions
how is an ectopic pregnancy managed medically?
Methotrexate (MTX)
check bhcg on day 1, 4, 7
how is an ectopic pregnancy managed surgically?
laparoscopic salpingectomy/salpingostomy
how do you know if a medically managed ectopic was a “success”?
15% in bhcg between day 4-7
how long should bhcg be followed after treating an ectopic?
until < 5 (considered negative)
when is surgical management for an ectopic used over medical?
1) evidence of rupture
2) hemodynamically unstable
3) CI to MTX
what must you remember to give a patient with an ectopic?
Rhogam!
what two supplements counteract MTX?
DHA and folic acid
for which surgical procedure to remove an ectopic must bhcg be followed and why?
salpingostomy
b/c need to make sure you removed all of the pregnancy
why must remnants from a surgical excision of an ectopic be sent to pathology?
to confirm chorionic villi
what is GTD?
gestational trophoblastic disease
lesions characterized by abnormal proliferation of placenta trophoblast (complete or partial hydatiform mole or placental site nodule)
what is GTN?
gestational trophoblastic neoplasia
malignant neoplasms arising from abnormal proliferation of placental trophoblast (choriocarcinoma, placental site trophoblastic tumor, epitheliod trophoblastic tumor, invasive mole)
which surgical procedure for an ectopic has more risk of recurrence and threat to fertility?
both the same!
what are the sx of GTD?
1) abnormal vaginal bleeding
2) uterine size > dates
3) hyperemesis gravidarum
4) bhcg > 100,000
5) hyperthyroidism
6) preeclampsia
what gives you morning sickness in pregnancy?
bhcg
how is a molar pregnancy (GTD) dx?
1) bhcg level > 100, 000
2) US
3) pathology = definitive
how does a complete mole look on US?
“snowstorm” appearance form hydropic villi w/o fetal parts
how does a partial mole look on US?
+/- fetal parts
enlarged cystic placenta
which type of mole confers a higher risk of GTN?
complete mole
why must a woman use contraception and be sure not to become pregnant after have a GTD treated?
if get pregnant - can’t tell if the bhcg is positive from the mole or a new pregnancy
how can you tell if GTD has progressed to GTN?
1) bhcg rise 10% over 2 weeks
2) bhcg plateau 10% over 3 weeks
3) bhcg positive at 6 month
what is the tx for low risk GTN?
single agent
MTX or Actinomycin-D
what is the tx for high risk GTN?
multi agent
EMA-CO (etoposide, MTX, actinomycin-D, cyclophosphamide, vincristine)
after a GTD is treated how is bhcg followed?
weekly until < 5
monthly for 6 mon
what is another name for the placenta?
chorion
what is another name for the sac?
amnion
how many days before split result in conjoined twins?
> 12
how many days before split results in monochorionic diamniotic twins?
4-8
how many days before split results in monochorionic monoamniotic twins?
8-12
how many days before split results in dichorionic diamniotic twins?
0-4
how can you tell if twins are fraternal or identical?
genetic testing at birth
what does the T sign on US tell you about twins?
monochorionic
what does the lambda sign on US tell you about twins?
dichorionic
what is the risk with monochorionic twins?
congenital anomalies (heart defects)
what is the risk with monochorionic diamniotic twins?
twin twin transfusion syndrome (TTTS)
twin anemia polycythemia sequence (TAPS)
twin reversed arterial perfusion (TRAP)
what is the risk with monochorionic monoamniotic twins?
cord entanglement/accident
when are DCDA twins delivered?
38 wks
when are MCDA twins delivered?
34-37 wks
when are MCMA delivered?
32-34 wks
at what point is mom of MCMA twins managed inpatient?
@ 24wks
how do you determine mode of delivery for twins?
depends on presentation of twin A
if twins are vertex-vertex, how are they delivered?
vaginally
if twins are vertex/breech or transverse, how are they delivered
vaginally or C section
if twin A is non-vertex how are they delivered?
C section
if twins are MCMA, how are they delivered?
C section
why would you screen for pregestational DM (GCT at 1st prenatal visit)?
1) BMI > 30
2) 1st degree relative with DM
3) hx of GDM in prior pregnancy
4) hx macrosomic infant
5) physical inactivity
6) A1C > 5.7
what guidelines are used in the US for GDM dx?
carpenter/coustan
how many times daily for glucose be checked in GDM?
4-5x
what are the benchmarks to follow for glucose in GDM?
fasting < 95
1 hr postprandial < 140
2hr postprandial < 120
how does the dose of insulin needed trend throughout pregnancy
increases b/c resistance increases as you go along
what risks do glyburide pose if used for GDM?
risk of macrosomia and hypoglycemia
how often are growth scans required in GDM?
q4wks
in addition to a growth scan, what does A2 GDM require for surveillance?
non-stress test (NST) wkly 28-32 weeks
what testing does a GDM mother get post partum?
75g OCTT at 6-12 wks postpartum
what is the definition of chronic HTN in pregnancy?
BP > 140/90
GA < 20wks
what characteristics do GHTN, pre-eclampsia, and eclampsia have in common?
BP > 140/90
x2 > 4hrs apart
GA > 20 wks
what is eclampsia?
condition where high blood pressure results in seizures during pregnancy
how is pre-eclampsia with severe features defined?
BP> 160/110
severe ft. = ptl < 100,000, pulm edema, headache, vision changes, oliguria
what is pre-eclampsia?
multisystem d/o caused by placental and maternal vascular dysfunction
what is treatment for pre-eclampsia?
delivery
how is GHTN differentiated from pre-eclampsia?
proteinuria
what BP meds are recommended in pregnancy?
labetolol, hydralazine, nifedipine, methyldopa
what are the fetal consequences of Rh incompatibility?
anemia, hydrops fetalis, death
when is Rhogam given?
28 wks
within 72 hrs of delivery if Rh positive
setting of any sensitizing event
what is considered preterm labor?
< 37wks
what is the definition of labor?
regular contractions and cervical changes
what are tocolytics?
prevent uterine contraction
what is betamethasone used for?
given to mothers in preterm labor for fetal lung maturity
what is magnesium sulfate used for?
cerebral palsy prevention
what are the stronger tocolytics?
nifedipine, indomethacin
what are CI to tocxolysis (where baby really just needs to come out)?
1) fetal distress
2) placental abruption
3) pre-eclampsia
4) intrauterine fetal demise
5) intrauterine infection
6) lethal fetal anomaly
how is a premature rupture of membranes dx?
sterile speculum exam
what is PROM?
premature rupture of membranes
ROM before onset of labor (contractions)
what is PPROM?
preterm premature rupture of membranes
ROM < 37 wks and before onset for labor
what is prolonged rupture of membranes?
ROM > 18 hrs
what is the “latency period”?
time between ROM and delivery
if a pregnancy is at term and the water breaks, how long is the latency period?
1-2 days
what labs must be checked after ROM?
gonorrhea, chlamydia, UA, urine culture, GBS
at what point in pregnancy must D&E be considered if there is a PROM?
< 24 wks
how is a PROM patient managed inpatient?
1) daily non-stress test
2) serial growth US
3) limit vaginal exams (d/t infection risk)
what type of cells make up the endocervix?
columnar epithelium
what type of cells make up the ectocervix?
nonkeratinizing squamous epithelium
how does the cervix change after menarche?
acidification –> ectocervis undergoes squamous transformation –> metaplastic changes radiate inward from the original squamocolumnar junction to new SCJ —> creates a transformation zone
when is ectropion seen?
OCPs, menarche (before squamous metaplasia)
why is ectropion prone to bleeding?
columnar cells are not meant for friction
what is a nabothian cyst?
forms on the cervix during squamous metaplasia
mucus trapping –> bleb formation
trapping what normally would get secreted
what is the MC benign cervical neoplasm?
cervical polyp
what is a cervical polyp?
hyperplastic endocervical fold of columnar epithelium
which is more likely to bleed - cervical polyp or nabothian cyst?
cervical polyp
why would a cervical polyp be removed?
bothersome to patient (bleeding)
how does cervical insufficiency differ from preterm labor?
preterm labor = painful
cervical insufficiency = painless
what can cervical stenosis lead to?
hematometra (retention of blood in uterus) and infertility
what is the MC STI?
HPV
what is the strongest factor that predisposes someone to HPV?
sexual partners
what percent of HPV cases regress in 2 years?
70-90%
when do paps start?
21
when are paps done from 21-29?
q3yrs
when is pap with HPV cotesting done?
30-65 y/o
when would you need a pap earlier than 21?
if you have HIV
start pap at time dx or once sexually active if congenitally acquired
what is colposcopy?
used to evaluate abnormal pap or persistent HPV infection
what is used during a colposcopy?
acetic acid (makes it white) & Lugol’s sol’n (makes it brown)
what is another name for cervical dysplasia?
cervical intraepithelial neoplasia
what is cervical dysplasia?
HPV-mediated abnormal growth of squamous epithelium
since cervical dysplasia can be potentially malignant, how is it classified?
by risk
- CIN 1 = low risk
- CIN2-3 = high risk
how is CIN characterized into high risk vs low risk?
1) cellular immaturity
2) cellular disorganization
3) nucelar abnormalities
4) increased mitotic activity
in terms of placement on the cervix, how is CIN grade determined?
CIN 1 = lower 1/3 of epithelium
CIN 2 = middle 1/3
CIN 3 = upper 1/3
what is the treatment for CIN2-3?
excision method - LEEP/cold knife cone
ablative method - cryotherapy
what is the downside of ablation?
harder to see if you got everything (nothing goes to path like with LEEP)
what is the most common gyn cancer in women in the world?
cervical
what are the histological types of cancer?
1) squamous cell carcinoma
2) adenocarcinoma
3) mixed cervical carcinoma and neuroendocrine tumors
what is the most common type of cervical cancer?
squamous cell carcinoma
what are the sx of cervical cancer?
1) abnormal bleeding
2) watery d/c
3) postcoital bleeding
4) venous/lymphatic/ureteral compression
why is adenocarcinoma of the cervix sneaky?
just b/c you removed the cancer from place on the cervix doesn’t mean that you don’t have it elsewhere (skip lesion)
what is the tx for stage IA cervical cancer?
radical hysterectomy
what is the tx for stage IB - IIA cervical cancer?
surgery and/or pelvic radiation
what is the tx for stage IIB - IVA cervical cancer?
radiation and chemo
what is the tx for stage IVB cervical cancer?
palliative care
what supplementation might a breast feeding baby need?
vitamin D
what in terms of immunity does a breastfeeding baby get from mom?
IgA
what are maternal benefits of breastfeeding?
1) decr postpartum depression
2) boosts maternal weight loss
3) uterine involution (oxytocin release, uterine contractions, minimizes hemorrhage)
what is colostrum? and when does it occur?
yellow milk containing fat, minerals, IgA
starts at 2nd day postpartum
what is mature milk composed of?
protein, lactose, water, fat
what maintains lactation?
decrease in estrogen and progesterone causes loss of PRL inhibition
how does the role of oxytocin differ from PRL in terms of breastfeeding?
oxytocin is responsible for the myoepithelial contraction within the alveoli
how does PRL affect the ovaries?
suppresses ovulation by inhibiting GnRH, LH, FSH
what are 4 problems with breastfeeding?
1) mastitis
2) suppression
3) mastitis
4) nipple problems
5) infant drug exposure
when is mastitis MC?
2-4 hours postpartum
what is the MC cause of mastitis?
staph aureus from infants pharynx
what medications can suppress lactation?
1) bromocriptine
2) pseudoephedrine
3) estrogen-containing contraceptives
what medication can boost lactation?
domperidone
when are NSAIDs contraindicated?
pregnancy but ok during breastfeeding!
why are NSAIDs CI in pregnancy?
can cause closure of the patent ductus arteriosus
what medications can impact a baby via breastmilk and how?
1) narcotics –> sedation
2) nitrofurantoin –> hemolytic anemia in G6PD deficient babies
what is the MC cause of maternal death?
hemorrhage (ante, intra, or postpartum)
what are the MC causes of 3rd trimester bleeding?
1) placenta previa
2) abruption
3) preterm labor
what is placenta previa?
placenta covering the cervix
doesn’t move up the uterus to where there is more muscle likes it’s supposed to
what is placenta accreta?
abnormal placental attachment to the myometrium
absent Nitabuch’s layer causing defective decidual formation
what is the decidua?
the endometrium during pregnancy
what is an accessory or “succenturiate” lobe?
small lobe of the placenta that often infarcts
what is the risk with a “succenturiate” lobe?
retained portion of the placenta after birth
can result in postpartum bleeding
what is required after a “succenturiate” lobe?
hysterectomy upon delivery of baby
what is abruptio placentae and how does it start?
premature separation of the placenta
initiated by hemorrhage into the decidua basalts which causes a decidua hematoma and decidua separation from the basal plate
what can abruptio placentae lead to and why?
DIC
b/c decidua separation from the basal plate causes further separation and bleeding which leads to DIC
what is uterine rupture and what is a major risk factor for it?
complete separation of all layers of the uterus
prior uterine scar
how is the source (baby or mom) of intrapartum hemorrhage determined?
Apt test
test specimen of the blood that comes out and turns a different color if its mom vs baby
what is the definition of postpartum hemorrhage
intrapartum and postpartum 24 hrs > 1000mL blood loss with delivery and s/sx of hypovolemia
what are causes of postpartum hemorrhage?
1) uterine atony
2) obstetric trauma
3) uterine inversion
4) abnormal placentation
5) coagulation d/o
6) DIC
what is sequelae of postpartum hemorrhage?
Sheehan, mortality, DIC, hypovolemic shock, end-organ failure
what is anaphylactoid syndrome?
amniotic fluid embolism
fetal antigens enter the mother and there is an inflammatory response that causes DIC and decrease of myocardial function
when should pitocin be given during labor?
before the end of stage 3 (before the end of placental delivery)
how is puerperal endometriosis start?
intraamniotic infection ascending from lower GI or GU tract
what are the risk factors for puerperal endometriosis?
prolonged labor and membranous rupture
what is usually the cause of puerperal endometriosis?
polymicrobial
what do you do if a woman goes into preterm labor and you haven’t swabbed her for GBS yet?
give abx (assume positive)
what is the SART?
sexual assault response team
what is a SANE?
sexual assault nurse examiner