calculate EDD
add 7 days to LMP & subtract 3 mo. and add 1 year
early term?
37 weeks to 38 weeks and 6 days
full term
39 weeks to 40 weeks and 6 days
late term
41 weeks to 41 weeks and 6 days
post term
42 weeks to beyond
bluish/purple coloration of the vagina/cervix due to increased blood flow
Chadwick’s sign
palpable softening at the isthmus
Hegar’s sign
always collected at 1st prenatal visit (3)
Pap smear
chlamydia swab
gonorrhea swab
when can fetal cardiac motion be visualized?
5.5-6.0 weeks via transvaginal US
fetal heart tones detectable? and WNL?
10-12 weeks w/ Doppler
120-160 bpm is WNL
fundal height at 12 weeks?
pubic symphysis
fundal height at 20 weeks
umbilicus
when to screen for gestational diabetes and how
24-28 weeks with OGTT
when to do GBS swab
b/w 35-37 weeks
when to screen for Rh
and what do you do
initial lab work & repeated in early 3rd trimester
if negative Rh, give globulin b/w 28-30 weeks
nuchal translucency screening?
11-13 weeks
maternal serum screen aka quad screen
when and what does it measure
15-18 weeks
AFP, uE3, hCG, inhibin A
biophysical profile (4 things)
fetal breathing movements
fetal movement
fetal tone
quantification of amniotic fluid vol.
normal BMI (18.5-24.9) weight gain
25-35 lbs
overweight (25.0-29.9) weight gain
15-25 lbs
obese (>30.0) weight gain
11-20 lbs
false labor vs true labor
false: irregular intervals & duration, unchanged intensity, no dilation, relief from sedation
true labor has regular intervals, gradual increases in frequency & intensity, no relief from sedation
nitrazine test results?
pH 6.5-8.0 = ruptured membranes, blue paper
pH 5.0-6.0 = intact membranes
1st stage of labor
between onset of labor & full cervical dilation & effacement
2nd stage of labor
complete dilation to delivery of infant
the pushing phase of childbirth
3rd stage of labor
delivery of the infant to delivery of the placenta
adequate labor is?
3-5 contractions in 10 min
macrosomic?
> 4500 g
3 P’s of Labor progress
Power
Passenger
Passage
most & least common pelvic shape
gynecoid
platypelloid
6 cardinal movements of labor
engagement flexion descent internal rotation extension external rotation
normal heart rate variability?
both short term (beat to beat variation) and long term (wavelike pattern that changes 4-6 cycles/min)
early deceleration caused by?
head compression
physiologic
variable deceleration is caused by
cord compression
doesn’t mirror contractions
late deceleration caused by (4)
fetal hypoxia
placental insufficiency
maternal hypotension
hypoxia
1st degree perineal laceration
involves vaginal mucosa or perineal skin but not underlying tissue
2nd degree perineal laceration
involves underlying subcutaneous tissue but not the rectal sphincter or mucosa
hospitalization postpartum (2)
vaginal birth: 1-2 days
C/S: 2-4 days
lactation timeline (2)
colustrum after 1st day
mature milk after 3rd-5th day
v, w, x, y, z
v: pregnancies
w: full term births
x: preterm births
y: abortions
z: living children
