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Summary NR 602: MIDTERM STUDY GUIDE WEEK 1-4 WELL RESEARCHED SOLUTION FOR PASSING

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NR 602: MIDTERM STUDY GUIDE WEEK 1-4 WELL RESEARCHED SOLUTION FOR PASSING Signs of pregnancy (presumptive, probable, positive) • Presumptive Signs of Pregnancy: Symptoms that are suggestive of pregnancy are considered “presumptive signs” which means that they are the least objective o...

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nr 602 midterm study guide week 1 4 well research

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NR 602: MIDTERM STUDY GUIDE WEEK 1-4 WELL RESEARCHED SOLUTION FOR PASSING

NR 602: MIDTERM STUDY GUIDE WEEK 1-4 WELL RESEARCHED

SOLUTION FOR PASSING

Signs of pregnancy (presumptive, probable, positive)

• Presumptive Signs of Pregnancy: Symptoms that are suggestive of pregnancy are

considered “presumptive signs” which means that they are the least objective or

subjective signs which can also be caused by many other conditions other than

pregnancy.

• Amenorrhea: Highly suggestive of pregnancy in a healthy female with regular &

predictable periods. Difficult to determine in a female who have irregular periods or in

those who do not keep track of their menstrual cycles

• Nausea & vomiting: Common symptom (~50% of pregnancies) typically

occurring between 2-16 weeks gestation

• Breast engorgement & darkening of the areolas: Occurs as early as 6-8 weeks gestation

• Breast tenderness

• Fatigue

• Urinary Frequency

• Slight increase in body temperature: Rise in temperature coincides with luteal

phase and is the result of increased progesterone

• “Quickening”: Mother feels the baby’s movements for the 1st time; starts at 16 weeks.

• Probable signs of pregnancy: mean that there is a high likelihood of pregnancy but there

are still other conditions that may cause the findings.

• Pregnancy tests are considered probable because β-hCG also presents in

©Lennyjast

, NR 602: MIDTERM STUDY GUIDE WEEK 1-4 WELL RESEARCHED SOLUTION FOR PASSING

molar pregnancies and ovarian cancer.

• Positive Signs of Pregnancy: The most reliable and most objective signs of positive

pregnancy are those where the provider can confirm the presence of a fetus

• Palpation of the fetus by the health care provider

• Ultrasound and visualization of the fetus

• Fetal Heart Tones (FHT) auscultated by the health care provider

Pregnancy and fundal height measurement

• Fundal height can provide valuable information on assessing the

gestational age of the fetus as well as to monitor fetal growth.

o 12 weeks: Uterine fundus first rises above the symphysis pubis

o 16 weeks: Uterine fundus is between the symphysis pubis and umbilicus

o 20 weeks: Uterine fundus is at the level of the umbilicus

o 25-35 weeks: Measure the distance between the upper edge of pubic symphysis

and the top of the uterine fundus with a tape measure. Fundal height in

centimeters equals the number of gestational weeks (+/- 2cm). For example, a 28

week gestation fetus should have a fundal height that measures between 26 and

30cm.

* Between 25-35 weeks the fundal height should measure equally to the number of

gestational weeks (+/- 2cm).

©Lennyjast

, 2

Naegele’s rule

• The EDD is calculated by adding seven days to the first day of the last menstrual

period, subtracting three months and adding one year.

*For example, if the patient's last menstrual period, LMP, was on August 10, 2019, the

EDD would be calculated as follows. LMP equals August 10, 2019 plus seven days.

August 17, 2019, minus three months. May 17, 2019 plus one year and that equals May

17, 2020.

Hematological changes during pregnancy-See Table 29.2 p. 777

• blood volume increases by 30% to 50%, or 1,100 to 1,600 mL and peaks at 30 to 34

weeks’ gestation.

• The increase in blood volume improves blood flow to the vital organs and protects

against excessive blood loss during birth.

• Fetal growth during pregnancy and newborn weight are correlated with the degree of

blood volume expansion.

• Of the blood volume expansion occurring during pregnancy, 75% is considered to be plasma

©Lennyjast

, 3

• There is also a slight increase in red blood cell volume (RBC).

• The blood volume changes result in hemodilution, which leads to a state of physiologic

anemia during pregnancy.

• As the RBC volume increases, iron demands also increase.

• Leukocytosis occurs in pregnancy, with white blood cell counts increasing to as much as

14,000 to 17,000 cells per mm3 of blood (Table 29-3).

• Clotting factors increase as well, creating a risk for clotting events during pregnancy.

• Systemic vascular resistance is reduced due to the effects of progesterone,

prostaglandins, estrogen, and prolactin.

• This lowered systemic vascular resistance, in combination with inferior vena cava

compression, is partly responsible for the dependent edema that occurs in pregnancy.

• Epulis of pregnancy, or hypertrophy of the gums accompanied by bleeding, may also

occur and is due to decreased vascular resistance and increase in the growth of capillaries

during pregnancy

©Lennyjast

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