Exam 2 Labor/Delivery, Peurperium Flashcards
True Labor characteristics? (5)
Regular intervals, gradual ↑ frequencies ↑ intensity Cervical dilation Back and abd discomfort No relief from sedation
Labor and Delivery eval should include? (6)
Review hx/physicals Take brief hx Vitals Cervical Membrane status Fetal monitoring
Amniotic Fluid status: Signs of rupture? (5)
Use sterile speculum to examine Pooling in vagina Visible fluid leak thru cervix Nitrazine test Fern test
Nitrazine Test is?
Test of fluid’s pH
pH of 5 - 6 = intact membrane
pH of 6.5 - 8 = ruptured membrane
Fern Test is?
Amniotic fluid appears in “fern” pattern on slide
1st stage of labor is?
Phases based on?
Onset to full cervical dilation
Rate of cervical dilation
1st stage of labor:
Latent phase?
Active phase?
Latent: First regular contraction thru 4cm dilation
Dilation is slow, <0.5cm/hr
Active: from 4cm to full dilation
Dilation is fast, 1cm/hr
2nd stage of labor is?
Complete dilation to delivery of baby (pushing phase)
3rd stage of labor is?
Delivery of baby to delivery of placenta (U w/i 30 min)
Progress of labor: Power is?
Strength/frequency controlled by?
uterine contractions
prostaglandin E2 and F2-α ->
↑ uterine sensitivity to oxytocin
Adequate labor is what?
3 to 5 contractions/10 min
Tocodynamometry measures what?
Contractions
External = freq/duration Internal = freq/duration/intensity
Progress of labor: Passenger
Size?
> 4500 gm = macrosomic infant
Progress of labor: Passenger
Presentation options? (5)
Vertex (crown of head) Face/brow Breech (frank, complete, footling) Transverse lie Compound (2 body parts)
Progress of labor: Passenger
Position is?
Relation of presenting part to R or L of mom’s pelvis
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Occiput Anterior (OA) is normal
face down
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Progress of labor: Passage is?
Pelvis size/shape
Cardinal mvmts of labor are?
Changes in fetus position as passes thru birth canal
Cardinal mvmts of labor: Engagement is?
Passage of presenting part’s widest diameter to below pelvic inlet
Cardinal mvmts of labor: Flexion is?
Complete flexion of head presents smallest head diameter
Cardinal mvmts of labor: Descent is fastest when?
stage 2 of labor
Cardinal mvmts of labor: Internal rotation is?
Rotation of presenting to anteroposterior as it passes thru pelvis
Cardinal mvmts of labor: Extention is?
Once below introitus, head extends beneath pubic symphysis and delivers
Cardinal mvmts of labor: External rotation is?
Head rotates 45°, line up w/ shoulders
3rd stage of labor: Signs of placental separation? (4)
Uterus ↓ in size
Uterus rises in abdomen
Globular configuration
Gush of blood/Lengthening of umbilical cord
Fetal monitoring should include? (3)
Intermittent auscultation
US transducer on abdomen
Internal scalp ECG
Fetal monitoring: Heart rate?
120 - 160 = N
> 180 = severe tachy
< 100 = severe brady
Fetal monitoring: Heart rate variations? (4)
Short term: beat-to-beat amp ∆s
Long term: wave pattern ∆s Q 4-6 cycles/min
Acceleration: ↑ 15bmp above baseline for 15 sec
Deceleration (see next card)
Fetal monitoring: Heart rate deceleration caused by
Early?
Variable?
Late?
Early:
from head compression during contractions
Variable:
from cord compression during contractions
Late:
from hypoxia, insuff placenta, or mom hypoTN
Labor pain relief options? (3)
Psychoprophylaxis: Lamaze
Meds:
Sedatives (Vistaril)
Narcotics (Demerol, Stadol, Nubain)
Dissociative (Ketamine)
Blocks:
Paracervical
Pudendal
Epidural
Perineal lacerations: 1°?
vag mucosa or perineal skin
but not underlying tissue
Perineal lacerations: 2°?
underlying SQ tissue
but not rectum
Perineal lacerations: 3°?
thru rectal sphincter
but not rectal mucosa
Perineal lacerations: 4°?
thru rectal mucosa
Induction of labor: Highest likelihood of success if? (5)
Dilation 5+ cm Effaced >80% Station +1 Soft cervix Anteriorly-positioned cervix
Methods of inducing labor? (5)
Membrane stripping (finger in os) Amniotomy Prostaglandin gel Oxytocin Misoprostol/Cytotec (abortion pill)
Complications of Oxytocin? (3)
Hyperstim to >5 contractions/10min
Fetal distress
Water intoxication
Puerperium is?
Post baby/placenta delivery thru 6 wks post
Puerperium anatomic resolution includes? (4)
Uterus from 1000gm to 50gm
Cervix loses vascularity, gland hypertrophy, hyperplasia
No ovulation via prolactin 3+ months if lactating
Vagina shrinks but walls stay thin/inelastic/dry until ovulation returns
Puerperium management?
Hospital 1-2 days vaginal, 2-4 days CSec
Post exam 4-6wks
Postpartum Blues vs Depression?
Blues should resolve w/i 2 wks