Hwen does parturition happen and how
it occurs within a week of due date. Starts with the level of progesterone platueing at month 7 while estrogen continues to climb which is boosted by rise in fetal cortisol level in 8th month. The increased estrogen makes uerine myometrium more sensative to stimuli which promote contractions.
whats braxton Hick’s contraction
weak and irregular contractions considered false labour
wxplain true labour with the chemistry
slide 3
explain true labour of the baby
slide 3
what causes pain during uterine contractions
myometrial hypoxia, compression of uterine blood vessels.
what are the 3 stages of labour
cervical dilation, expulsion stage, afterbirth
explain cervical dilation
slide 4
what is meconium
the first dookie of fetus
where do 5-20% of fetus pass meconium
in utero <34 weeks when GI system matures)
what are the signal of fetal distress
o2 deprvation, high maternal blood pressure, maternal drug abuse, long labor or dificult birth
why must the infant’s airway be aspirated as soon as head is delivered
meconiuk may be inhaled into fetal lunges if they present gasping reflex. and may make mom and newborn susceptible to bacterial infections at birth.
Explain the expulsion stage
slide 6
how many fetus and what is the breech position
occurs in 3% of fetuses
buttocks or lwer limbs presented to the birth canal rather than head-first position. comes with the risk of perinatal mortallity, and perinatal mobidity.
explain the afterbirth stage of labor
slide 9
whats involution
organs going back to og size
