Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
What are the risk factors for preterm labor?
|
-Hx of preterm labor
-Short interval btwn pregn -Short cervix <25 -Cervix surgery -twins or more -infections |
|
|
What infections predispose pts to preterm labor?
|
-BV
-Bacteriuria -UTI |
|
|
What is used to treat preterm labor?
|
Progesterone
|
|
|
What are the 2 main indications for progesterone use?
|
-History of preterm labor
-Cervix length of <15mm on ultrasound |
|
|
What is the incidence of preterm births?
|
12.8%
|
|
|
What are the 3 main categories of preterm labors divided by cause?
|
-Spontaneous preterm labor
-Preterm premature rupture of membranes PPROM -Elective inductions |
|
|
What is a major way to PREVENT preterm delivery?
|
Prevent vaginal infections!
|
|
|
What are clue cells indicative of?
|
Bacterial vaginosis
|
|
|
How are clue cells visualized?
|
Wet prep
|
|
|
What is the optimal time during pregnancy to do screening for BV?
|
20 weeks
|
|
|
What is the antibiotic of choice for treating BV?
|
Clindamycin
|
|
|
What are the 3 most important questions to ask of a woman in preterm labor?
|
1. Membranes ruptured?
2. Infection present? 3. Delivery likely? |
|
|
What is the easiest way to tell if membranes are ruptured?
|
Nitrazine test to look for
Ferning of amniotic fluid |
|
|
What will be seen on ultrasound if membranes ruptured?
|
Oligohydramnios
|
|
|
What 4 major questions should be asked regarding infection in a woman in preterm labor?
|
-GBS carrier status
-STI status -Urinary infections -Chorioamnionitis |
|
|
What are the 3 main defining features of LABOR?
|
-Regular contractions
-Cervix effaced >80% -Cervix dilated >2cm |
|
|
What are the 3 ways to assess for likelihood of Preterm Delivery?
|
-Give a single dose of Terbutaline tocolytic
-Check for presence of Fetal Fibronectin -Measure cervical length by US |
|
|
What is Fetal Fibronectin?
|
A placental glycoprotein
|
|
|
What is the best use of Fetal Fibronectin?
|
Ruling out preterm labor - bc it has a 99% NPV but only 13-30% PPV
|
|
|
What 4 conditions will cause a fetal fibronectin to be invalid?
|
-Vag bleeding
-Intercourse -Digital vag exam -Endovag ultrasound |
|
|
What cervical lengths are best for telling whether Preterm delivery will occur?
|
>30 - very good NEG pred val
<15 - very good POS pred val; it probably will occur |
|
|
What cervical length is not very helpful at all?
|
15-29 mm; this is the gray zone
|
|
|
What are the 4 main components of Preterm Labor management?
|
-CorticoSTEROIDS
-Tocolytics -Transfer -GBS prophylaxis |
