From the beginning of contraction until the beginning of
Frequency
the next contraction
Beginning of contraction until the end of the same con-
Duration
traction
Intensity Strength of contraction
Time between contractions when uterus relaxes & O2 rich
Interval
blood is delivered to the fetus
Contractions
1st of 4 P's: powers
Pushing
Pelvis & soft tissues including cervix, muscles, ligaments,
2nd of 4 P's: passage
fascia
3rd of 4 P's: passengers Fetus, amniotic membrane/sac, amniotic fluid, placenta
4th of 4 P's: psyche Physical process & mental status
Braxton hicks
Lightening & increased vaginal drainage
Cervical changes
Signs of impending labor Bloody show
Rupture of membranes
Energy spurt
Weight loss
Engagement
Descent
Cardinal movements Flexion
Internal Rotation
"Every darn fool in Egypt eats raw eggs" Extension
External Rotation
Expulsion
Leopold's Maneuver
, Method of abdominal palpation to determine presenta-
tion and position of fetus & aids in location of FH sounds
DELAT
Dilation & ettacement
Latent (1-4)
1st stage of labor
Active (4-7)
Transition (7-10)
End when 10 cm & 100% ettaced
2nd stage of labor Expulsion of fetus
3rd stage of labor Expulsion of placenta
4th stage of labor Recovery
Betamethasone (Celestone) Promotes fetal lung maturity
Naloxone (Narcan) Opioid antidote
Magnesium sulfate Used to halt pre-term labor
Witch hazel
Glycerin pads Hemorrhoids
Tucks
Hydrocortisone rectal cream Severe hemorrhoids
Butophanol (Nubain) Opioid pain med used after birth
Stimulates uterine muscles causing uterine contractions to
Methylergonovine (Methergine)
control post-partum hemorrhage
Carboprost (Hemabate) Controls post-partum hemorrhage
Dinoprostone (Cervidil) Softens cervix
Misoprostol (Cytotec) Dilates cervix