labor & delivery complications Flashcards
Cord prolapse
The umbilical cord passes through the cervical os prior to fetal delivery causing cord compression and fetal hypoxia.
___________ result from sudden drops in fetal heart rate and are associated with cord compression.
cord prolapse: Variable decelerations result from sudden drops in fetal heart rate and are associated with cord compression.
Clinical Manifestations of cord prolapse
Fetal bradycardia
Irregular fetal heartbeat
Cord may be visualized on vaginal exam.
What is premature rupture of membranes?
ruptures of membranes b/4 start of labor beyond 37 wks gestational age
What is preterm premature rupture of membranes?
rupture of membranes b/4 the onset of labor before 37 weeks GA
What is prolonged rupture of membranes?
rupture of membranes occurng >18 hrs b/4 delivery
When is lungs known to be mature in fetus?
between 32 to 34 weeks
What is the major complication of PROM/PPROM?
Chorioamnionitis
A positive nitrazine test shows?
Rupture of membranes. Amniotic fluid pH is basic at 7.1, which turns the test strip paper blue.
What are the 3 positive signs of premature rupture of membranes?
1) Pooling of amniotic fluid in the posterior fornix
2) Nitrazine test (pH >7.1)
3) Fern test
When is group B Strep tested in a pregnant woman? If positive, how and when it is treated?
In late pregnancy 36-37 weeks
- Penicillin is given 4 hours before delivery.
-Clindamycin can be use if pen allergy
What abx is given to prevent chorioamnionitis in a patient with Preterm Premature Rupture of Membranes?
Ampicillin + Eruthromycin to prevent infection if delaying delivery
When is magnesium sulfate given in PPROM?
If PPROM occur at 24-32 weeks for neuroprotection.
how is preterm labor diagnosed?
Labor between 20-37 weeks
1) uterine contractions (4 q20 mins or 8 q60)
2) cervical effacement 80% or dilation of 2cm or more
Which screening tests for fetal anomalies are included in the quadruple test?
Alpha-fetoprotein, unconjugated estriol, human chorionic gonadotropin, and inhibin A.