IGNOU PB. Bsc. Nsg. Entrance-2025
Obstetrics and Midwifery Nursing
Easy

Height of fundus is midway between umbilicus and xiphisternum at :

Appeared in: IGNOU PB. Bsc. Nsg. Entrance-2025

Explanation

  • During pregnancy, the height of the uterine fundus is measured to assess fetal growth and confirm gestational age.
  • At approximately 30 weeks of gestation, the top of the fundus reaches the midpoint between the umbilicus and the xiphisternum (the lower tip of the sternum).
  • This progression is a key component of antenatal assessment, often following McDonald's rule where fundal height in centimeters roughly equals the weeks of gestation after 20 weeks.

Why Other Options Were Wrong

  • Option B: At 28 weeks, the fundal height is lower, typically at the junction of the lower and middle thirds of the distance between the umbilicus and xiphisternum.
  • Option C: At 26 weeks, the fundus is just superior to the umbilicus, but it has not yet reached the midway point to the xiphisternum.
  • Option D: At 24 weeks of gestation, the fundal height is typically at the level of the umbilicus.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Correlation of fundal height with gestational age as background academic context rather than a clinical decision trigger.
  • Fundal height measurement is a non-invasive, simple, and essential screening tool in antenatal care to monitor fetal growth and well-being.
  • A significant discrepancy between the measured fundal height and the expected gestational age (more than 2-3 cm difference) can indicate potential problems such as intrauterine growth restriction (IUGR), macrosomia, multiple gestation, or incorrect dating of the pregnancy, warranting further investigation with ultrasound.
  • What if? If at 30 weeks the fundal height was at the xiphisternum (the 36-week level), it would be considered large for gestational age. The nurse should suspect conditions like polyhydramnios, multiple pregnancies, or a macrosomic fetus and refer for an ultrasound evaluation.
How to Approach the Question
  • This is a factual recall question that tests knowledge of obstetric landmarks.
  • First, identify the key anatomical points mentioned in the question: 'umbilicus' and 'xiphisternum'.
  • Next, identify the specific location asked for: 'midway' between these two points.
  • Recall the standard progression of fundal height during pregnancy.
  • Mentally (or by sketching) map the fundal height at key weeks: 24 weeks (umbilicus), 36 weeks (xiphisternum).
  • Evaluate the options provided (24, 26, 28, 30 weeks) to see which one corresponds to the 'midway' point in the established progression.
Concept Tested & Keywords
  • Concept Tested: Correlation of fundal height with gestational age.
  • Stem keywords: Height of fundus, midway, umbilicus, xiphisternum
  • Lead-in keywords: at

Question ID

Q8LkHLPanEkeyHeB5BFYWI

Reference Book

E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur pp. 50-60, 15-23

E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 199-201

Practise the full IGNOU PB. Bsc. Nsg. Entrance-2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.