NR 602 Midterm Study Guide exam update
Signs of pregnancy (presumptive, probable, positive)
o Presumptive – Clinical findings include amenorrhea (menstruation is absent), nausea, vomiting,
increased urinary frequency, excessive fatigue, breast tenderness, quickening at 18-20 weeks (All
s...
NR 602 Midterm Study Guide 2024-2025 exam update
Signs of pregnancy (presumptive, probable, positive)
o Presumptive – Clinical findings include amenorrhea (menstruation is absent), nausea, vomiting,
increased urinary frequency, excessive fatigue, breast tenderness, quickening at 18-20 weeks (All
subjective signs)
o Probable – Clinical findings include uterine enlargement, Braxton hicks contractions (may be
palpated by 28 weeks), uterine soufle (soft blowing sound due to blood pulsating through
placenta), integumentary pigment changes, ballottement, fetal outline definable, positive
pregnancy test, Goodell sign (softening of cervix), Chadwick sign (cervix is blue/purple), Hegar’s
sign (softening of lower uterine segment). {All Objective signs}
o Positive – Fetal heart rate auscultated by fetoscope at 17 – 20 weeks or by Doppler at 10 – 12
weeks, palpable fetal outline, and fetal movement after 20 weeks, visualization of fetus with
cardiac activity by ultrasound (fetal parts visible by 8 weeks). {All Diagnostic}
Pregnancy and fundal height measurement
o As pregnancy progresses, the fundus rises out of the pelvis. At 12 weeks’ gestation, the fundus is
located at the level of the symphysis pubis. By week 16, it rises to midway between symphysis
pubis and the umbilicus. By 20 weeks’ gestation, the fundus is typically at the same height as the
umbilicus. Until term, the fundus enlarges approximately 1 cm per week. As the time for birth
approaches, the fundal height drops slightly. This process, which is commonly called lightening,
occurs for a woman who is a primigravida around 38 weeks’ gestation but may not occur for the
woman who is a multigravida until she goes into labor.
o
NR 602 MIDTERM STUDY GUIDE 2024-2025 EXAM UPDATE
, NR 602 MIDTERM STUDY GUIDE 2024-2025 EXAM UPDATE
Naegele’s rule
o The EDD is calculated by adding seven days to the first day of the last menstrual period,
subtracting three months and adding one year.
Hematological changes during pregnancy
o Anatomically, the kidneys are displaced and increase in size during pregnancy. The renal tubules
dilate, leading to urinary stasis, which in turn increases the risk for urinary tract infections.
Bladder tone is decreased due to the effects of progesterone, which can lead to urinary
frequency and incontinence. Urinary frequency is more common in the first and third trimesters.
Urinary incontinence is most common in women who have had more than one pregnancy
(multiparas)
Hematologic Nonpregnant First Second Third
Measure Women, Ages Trimester Trimester Trimester
19–65
Indications and contraindications for prescribing combined estrogen vs. progesterone-only
birth control
o Two types of hormonal contraceptives are available: those that contain progestin (progestin-
only) and those that contain progestin and estrogen (combined). Progestin, the synthetic version
of the endogenous hormone progesterone, is highly effective alone as a contraceptive, but may
cause irregular bleeding. The addition of estrogen to progestin in combined methods results in
more predictable bleeding patterns due to stabilization of the endometrium. Estrogen as a single
agent for contraception requires doses that may cause unacceptable risks of serious side effects,
such as thromboembolic events and endometrial hyperplasia. The synergistic activity of estrogen
and progestin makes it possible to combine these hormones in lower doses to produce
successful contraception than would be possible using either hormone alone
o During the first few postpartum weeks, the risk of venous thromboembolism (VTE; deep vein
thromboses and pulmonary emboli) is greatly elevated in all women; consequently, estrogen-
NR 602 MIDTERM STUDY GUIDE 2024-2025 EXAM UPDATE
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