3 - Normal Physiological Changes During Pregnancy Flashcards
Presumptive Signs of Pregnancy
◯ Amenorrhea
◯ Fatigue
◯ Nausea and vomiting
◯ Urinary frequency
◯ Breast changes – darkened areolae, enlarged Montgomery’s glands
◯ Quickening – slight fluttering movements of the fetus felt by a woman, usually between 16to20weeks of gestation
◯ Uterine enlargement
Probably signs of Pregnancy
◯ Abdominal enlargement related to changes in uterine size, shape, and position
◯ Hegar’s sign – softening and compressibility of lower uterus
◯ Chadwick’s sign – deepened violet-bluish color of cervix and vaginal mucosa
◯ Goodell’s sign – softening of cervical tip
◯ Ballottement – rebound of unengaged fetus
◯ Braxton Hicks contractions – false contractions; painless, irregular, and usually relieved by walking
◯ Positive pregnancy test
◯ Fetal outline felt by examiner
When does hCG production start?
day of implantation
When can hCG be detected?
7-10 days after conception
When does hCG peak?
60-70 days of gestation
declines around 80 days
gradually increases from there
What can high levels of hCG indicate?
multifetal pregnancy
ectopic preg
hydatidiform mole
Downs Syndrome
What can low levels of hCG indicate?
miscarriage
When do we start taking measurements of fundal height?
~ 18 weeks
GPTAL
Gravidity
Term births (38 wks or more)
Preterm births (viability up to 37 wks)
Abortions / Miscarriages (prior to viability)
Living Children
Cardiac output and volume increase by — during pregnancy.
45-50%
*** heart rate also increases
During first trimester, what to BP measurements look like?
normal range during prepragnancy
During the second trimester, what can happen to BP?
decreases by 5-10 mmHg for both diastole and systolic
After 20 weeks gestation, what happens to BP?
returns to normal prepregnancy baseline
When mother is supine, what could happen to BP?
may appear low due to pressure lying on IVC, decreasing vascular return
Around 20 weeks gestation, what happens to pulse?
increases 10-15 / min
***remains elevated throughout remainder of pregnancy