Extra facts! Flashcards
(40 cards)
What is incidence of post maturity syndrome in post-term pregnancies?
10-20%
- post maturity findings: decreased lanugo, decreased subQ fat, lack of vernix, oligo, meconium
What is preferred method of operative delivery before 34 weeks?
Forceps!
- vacuum contraindicated 2/2 risk cephalophematoma, retinal hemorrhage, intracranial hemorrhage
How do you differentiate between pituitary tumor and adrenal adenoma for Cushing’s?
pituitary gland secretes ACTH
- low dose dexamethasone: if normal physiology, should suppress ACTH so no more cortisol. if abusing steroids, this will suppress!
- high dose dexamethasone: used occasionally, should suppress ACTH. If NOT, then NOT a pituitary problem and its adrenal!
In surviving monochorion twin, what is risk of neurologic injury and death?
18% neurologic
15% death
In surviving dichorionic twin, what is risk of neurologic injury and death?
1% neurologic injury
3% death
What percent of female population has positive serology to HSV2?
26%
What are maternal and fetal risks of untreated hypothyroidism?
Maternal:
- SAB, preterm delivery, abruption, gHTN/preE
Fetal:
- IUFD, low birth weight, neurodevelopment delays
What is recommended daily intake of vitamin d in pregnancy?
600IU
Calcium is 1200 mg
What are diagnostic criteria for diabetes?
- fasting BG >126
- plasma glucose >200 after 2hr 75g gTT
- a1c>6.5%
- random plasma glucose >200 w/ symptoms polyuria/polydipsia
After delivery, when is uterus no longer palpable on abdominal exam?
14days
- at 4wks, its at pre-pregnancy size (weighs less than 100g)
When is late-term and post-term pregnancy?
Late-term: 41w0d to 41w6d
Post-term: 42wks + (Incidence of 5%)
What is a prolonged latent phase?
> 20 hr in nullip and >14hr in multip
What is fragile X premutation and what does it cause?
55-200 CGG repeats
- causes premature ovarian insufficiency!
-normal fragile X is 200 repeats but no POI!
When is fetus MOST sensitive to effects of ionizing radiation?
2-4 weeks is “all or none” - either die or no effects at all!
Who is high risk for infective endocarditis and needs prophylaxis?
- need prophylaxis for dental procedures and in labor!
- prosthetic cardiac valve, prior IE, cardiac transplant recipient with valve regurgitation
In cases of placenta previa, what is risk of accreta?
1st CS = 3%
2nd CS = 11%
3rd CS=40%
What are CST results?
Neg: no decels
Pos: late decels after 50% or more contractions
- equivocal SUSPICOUS: intermittent late or significant variables
Equivocal REAL: decels that occur in frequent (q2min)/long contractions
- unsatisfactory: fewer than 3 contractions in 10 min or uninterpretable tracing.
What is the average blood flow to the uterus at term?
500-700 mL/min
When do you need colostomy for bowel with injury from gyn surgery?
Injury to mesentery or or sigmoid
What percent of women with recurrent HSV will have outbreak in pregnancy?
75%
What are indications for a cerclage?
History: 1+ 2nd trimester losses from painless cervical dilation OR prior cerclage
Exam: dilated cervix in 2nd trimster
Ultrasound: singleton pregnancy w/ short cervix <24wks AND prior PTB <34wks
When do you give meningococcal vaccine?
11-12
What percent of infants with neonatal herpes with have long-term sequelae?
20%
What fluid for hysteroscopy is most likely to cause hyponatremia?
Hypotonic fluids: 3% sorbitol and 1.5% glycine
