Labor & Birth Complications (Week 6) Flashcards
preterm labor
regular contractions
cervical changes
- effacement
- dilation (2cm)
- presentation
preterm birth timeframe
20 0/7 and 36 6/7
preterm labor vs Braxton hicks
Braxton hicks are no cervical changes
why do we have decreased rates of preterm birth
improved fertility practices
quality improvement
increased use of strategies to prevent recurrent preterm birth
can we induce with out valid reason
no
very preterm
<32
moderatley preterm
32-34
late preterm
34 0/7 - 36 6/7
preterm birth vs birth weight
- preterm
preterm is the length of gestation regardless of birth weight
what is more dangerous birth weight or preterm
preterm since there is less time in the uterus that correlates with immaturity of body systems
low birth weight grams
<2,500
what is an example of intrauterine growth restriction
hypertension which leads to constrictions and decreased perfusion to cord which decreases nutrients to grow
is preterm birth normally spontaneous or indicated
spontaneous
some causes of spontaneous labor and birth
multifactoral
infection
placental
maternal and fetal stress
uterine over distention
what is the only definitive factor for preterm labor
congenital
what are some examples of infection
colonization of upper and lower genital tract leading to UTI
what percent of preterm labor don’t have risk factors
50%
cervical length of what in the 2nd and 3rd trimester means unlikely to give birth
> 30mm
what is the fetal fibronectin test
this is the glue found in plasma and produced during fetal life
want a negative
- negatove test means you are not likely to go into labor within next 2 weeks
age of viability
22-24
when do we need to have delivered after membranes ruptured
18 hours
does rupture of membranes mean labor
no
does preterm labor look like normal pregnancy symptoms
yes
what medication can help with preterm labor
progesterone