Fundal height is a measurement taken during pregnancy that helps healthcare providers monitor the growth and development of the fetus. This assessment indicates how the baby is growing within the uterus. Tracking fundal height over time offers a consistent way to observe the progression of a pregnancy.
Purpose of Fundal Height Measurement
Fundal height measurement serves as a screening tool to assess fetal growth and gestational age, helping healthcare providers determine if the baby is growing at an expected rate. It assists in identifying potential deviations early, such as a baby growing faster or slower than anticipated. This non-invasive method is routinely performed during prenatal appointments. It offers a preliminary indication that may suggest the need for further investigation if measurements fall outside typical ranges.
Steps for Measuring Fundal Height
Measuring fundal height involves a specific technique to ensure accuracy. The pregnant individual lies on their back with a slightly elevated head, allowing the uterus to be easily accessible. A flexible measuring tape is then used for the assessment. The measurement begins at the top edge of the pubic bone, which forms the lower boundary of the uterus.
From this starting point, the tape is extended over the curve of the abdomen to the top of the uterus, known as the fundus. The fundus is the highest point of the uterus, and its position changes as the pregnancy progresses. The measurement is recorded, reflecting the distance from the pubic bone to the fundus.
Understanding Your Fundal Height Measurements
Fundal height measurements offer insights into fetal development, particularly after 20 weeks of gestation. After this point, the measurement correlates closely with the number of weeks of pregnancy. For example, at 28 weeks, a fundal height of approximately 28 centimeters is considered within the expected range. However, variations in measurements are common and do not always indicate a problem.
If the measurement is significantly larger or smaller than expected for the gestational age, it warrants further investigation by a healthcare provider. Several factors can influence fundal height, including the baby’s position, the amount of amniotic fluid, or the presence of multiple pregnancies. Individual variations in body type can also affect the measurement. Any deviation from the expected range prompts additional assessments, such as an ultrasound, to determine the underlying reason.