A nurse in a prenatal clinic is caring for a client who asks what her estimated date of delivery will be if her last menstrual period began on November 15th.Which of the following is the appropriate response by the nurse?
July 12.
August 12.
August 22.
July 22.
The Correct Answer is D
Choice A rationale
Calculating the estimated date of delivery (EDD) involves adding 280 days (40 weeks) to the first day of the last menstrual period (LMP). Starting from November 15th, adding 280 days results in an EDD around August 22nd, not July 12th.
Choice B rationale
Using the same calculation method, adding 280 days to November 15th results in an EDD around August 22nd, not August 12th.
Choice C rationale
This choice is close but not accurate. Adding 280 days to November 15th results in an EDD around August 22nd.
Choice D rationale
This is the correct calculation. Adding 280 days to November 15th results in an EDD around August 22nd.
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Correct Answer is A
Explanation
Choice A rationale
The uterus can indeed increase in size by 20 times its non-pregnant size. This significant expansion is necessary to accommodate the growing fetus and the increased blood supply required during pregnancy.
Choice B rationale
While the weight of the uterus does increase significantly during pregnancy, from about 100 grams to approximately 1,000 grams, this statement does not directly address the client’s concern about the uterus’s ability to stretch.
Choice C rationale
About 25% of the increased capacity of the uterus is related to uteroplacental content, but this does not fully explain the uterus’s ability to stretch to accommodate a full-term baby.
Choice D rationale
The increase in uterus size during pregnancy is not solely related to amniotic fluid volume. The uterus itself grows and stretches significantly to accommodate the developing fetus.
Correct Answer is ["A","C","E"]
Explanation
Choice A rationale
Intrauterine growth restriction (IUGR) can result in a smaller fundal height measurement than expected for gestational age. This condition indicates that the fetus is not growing at the normal rate inside the womb.
Choice B rationale
A fundal height measurement of 19 centimeters at 22 weeks of gestation is not consistent with the estimated gestational age by LMP. Typically, the fundal height in centimeters should be approximately equal to the number of weeks of gestation.
Choice C rationale
Fetal anomalies can affect the size and growth of the fetus, leading to discrepancies in fundal height measurements. This could result in a smaller or larger than expected measurement.
Choice D rationale
Polyhydramnios, or excessive amniotic fluid, would typically result in a larger fundal height measurement than expected for gestational age. Therefore, this choice is incorrect.
Choice E rationale
Miscalculation of the due date can lead to discrepancies in fundal height measurements. If the gestational age is miscalculated, the fundal height may not match the expected measurement for the given weeks of gestation.