Exam 1 Flashcards
(110 cards)
what causes frequent urination in pregnancy?
- anatomical positioning causing the uterus to press on the bladder all the time
what is the primary mechanism to stop hemorrhage from the uterine arteries after childbirth?
contraction of the uterine smooth muscles to compress the arteries
what is considered the first day of the menstrual cycle?
first day of bleeding during menses
what does progesterone do to endometrial lining?
- causes thickening of endometrial lining to prepare for implanting of a fertilized egg
what does progesterone do to smooth muscle?
- relaxes smooth muscle to allow the uterus to grow during pregnancy
what happens to the endometrium when progesterone levels drop?
the thickened endometrium sheds in menses
what happens to BBT (basal body temp) during ovulation?
drops slightly and then spikes 1/2 a degree
what hormone spikes during ovulation?
LH
what does the cervical mucus do during ovulation?
appears thin, clear and stretches like eggs whites
- known as Spinnbarkeit Sign
which hormone decreases to trigger a period?
progesterone
what is an expected finding of dizygotic twins?
different genders
which stage of fetal development is most vulnerable to medications and chemicals?
embryonic
what finding would indicate progression of gestational hypertension to eclampsia?
- new onset of seizures
what is the priority action for painless vaginal bleeding?
obtain an ultrasound
what does the umbilical artery do?
carry stuff from the baby to the mom
what do the umbilical veins do?
carry stuff to the baby from the mom
what does a UA in pregnancy look at?
- specific gravity color
- glucose
- protein, nitrates, casts, acetone
- RBC and WBC
what are the parameters for a 3 hr glucose tolerance test?
- fasting >95
- 1 hr >180
- 2 hr> 155
- 3hr > 140
what substance within the uterus prevents compression of the umbilical cord?
amniotic fluid
what prevents the skin of the fetus from adhering to the wall of the amniotic sac?
amniotic fluid
what are 3 functions of the amniotic sac?
- protects baby
- allows baby to move
- controls baby’s temp
what substances are risk factors for placental abruptions?
- cocaine, smoking/tobacco
what type of trauma places the mother at risk for placental abruption?
penetrating or blunt abdominal trauma
what type of deficiency may lead to placental abruptions?
folate deficiency