Intrapartum Flashcards
Oxytocin
primary hormone/ factor that initiates labor
made by post pituitary gland
relaxin
made by the placenta
makes the placenta irritable
prostoglandin
made by fetal membranes that make the uterus contract at any stage of pregnancy
lightening
decent of fetal head into the pelvis
braxton-hicks
strong iregular uterine contractions
signs of oncoming labor
dilation to 10cm
effacement
blood tinged cervical mucus
ROM
False VS True Labor
false: irregular, stops with activity/change, no decent
true: regular, does not stop, pink mucus, progressing
5 P’s of labor
passageway passenger powers position psychological response
powers define
how strong are the contractions
10cm= 4inches
pelvic inlet size
must be 11cm
pelvic cavity (transverse) sizes
should be 10.5cm. critical spot to navigate around
approx width of fist
Fetal Head Bones/ Fontanelles
how many, what kind
2 frontal
2 parietal
1 occipital
2 fontenelles
separation of fontanelles
the bones are not fused together yet to allow for passage. separated by sutures
Molding
overlapping of head bones to allow for passage
Stations related to birth
crowning: +3
birth: +4
station 0: ischial spine