How Do You Measure Symphysis Fundal Height

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Measuring Symphysis Fundal Height

Symphysis fundal height (SFH) is a measurement that helps monitor fetal growth during pregnancy. It measures the distance between the top of your pubic bone and the top of your uterus (fundus). As your pregnancy progresses, your uterus will grow and expand, resulting in an increase in SFH.

Measuring from the Top of the Pubic Bone

To measure SFH from the top of the pubic bone:

  1. Lie on your back with your legs extended and your buttocks touching the edge of the table or bed.
  2. Place a tape measure on the top of your pubic bone (the symphysis pubis).
  3. Measure the distance between the top of the pubic bone and the top of your uterus.

It’s essential to measure SFH accurately each time to track your fetal growth properly. If you have any concerns about the measurements or your pregnancy, consult your healthcare provider promptly.

Weeks of Pregnancy Average SFH (cm)
12 12-14
16 16-18
20 20-22
24 24-26
28 28-30
32 32-34
36 36-38
40 38-40

Measuring Symphysis Fundal Height

Symphysis fundal height (SFH) is a measurement taken from the top of the pubic bone (symphysis) to the top of the uterus (fundus). This measurement is used to estimate the age of the fetus and to monitor fetal growth throughout pregnancy. The SFH is typically measured in centimeters (cm) or inches (in).

Using a Tape Measure

To measure SFH with a tape measure, you will need to:

  • Ask the patient to empty their bladder.
  • Have the patient lie down on their back with their knees bent and their feet flat on the bed.
  • Find the symphysis, which is the bony prominence located above the pubic area.
  • Place the zero end of the tape measure on the symphysis and measure to the top of the uterus.
  • Record the measurement in cm or in.
Gestational Age (weeks) Average SFH (cm)
12 10
16 16
20 20
24 24
28 28
32 32
36 36
40 38-40

The SFH will typically increase at a rate of about 1 cm per week during the first 20 weeks of pregnancy. After 20 weeks, the SFH will increase at a slower rate of about 0.5 cm per week.

Assessing Fetal Growth

Symphysis fundal height (SFH) measurement is a simple and non-invasive method used during prenatal care to assess fetal growth and estimate gestational age.

This measurement is taken by a healthcare professional during each prenatal visit. They will use a measuring tape to determine the distance between the pubic bone (symphysis pubis) and the top of the uterus (fundus).

SFH Measurement Table

The following table provides average SFH measurements by gestational age:

Factors Affecting SFH Measurement

* Maternal height
* Parity (number of previous pregnancies)
* Multiple pregnancies
* Fetal position
* Amount of amniotic fluid
* Fetal abnormalities

Interpretation of Results

* SFH measurements that are significantly above or below average may indicate potential concerns, such as fetal macrosomia or growth restriction.
* In most cases, deviations from the average SFH range are not a cause for concern and may be due to normal variation.
* Healthcare professionals will typically order additional tests, such as an ultrasound, to confirm any suspected abnormalities.

Symphysis Fundal Height Measurement

Symphysis fundal height (SFH) measurement is a painless way to estimate the size and position of your uterus during pregnancy. A healthcare provider gently presses on your abdomen to gauge the distance between your pubic bone and the top of your uterus.

Determining Placental Location

SFH measurement can also provide information about the location of your placenta, which is essential for fetal health and wellbeing. Here’s how placental location is determined:

  • High SFH: A measurement above the expected growth curve indicates that the placenta may be attaching to the top of the uterus.
  • Low SFH: A measurement below the expected growth curve may suggest the placenta is positioned near the cervix (placenta previa).

Measurement Procedure

  1. Lie down on your back with your legs bent.
  2. The provider places two fingers on your pubic bone and uses a measuring tape to mark the distance to the top of your uterus (fundus).

Interpretation of Results

The SFH measurement is compared to a growth chart to track the progress of your pregnancy. Significant deviations from the expected growth curve may indicate a health issue and warrant further investigation.

Gestational Age (weeks) Average SFH (cm)
12 10-12

14 14-16
16 18-20
18 22-24
20 26-28
Gestational Age (Weeks) Average SFH (cm)
12 8
16 12
20 16
24 20
28 24
32 28
36 32
40 36

Well, there you have it, folks! Measuring your symphysis fundal height is no rocket science, is it? By following these simple steps, you can easily monitor the growth of your little one in the comfort of your own home. Remember, consistency is key. So, mark your calendar and make measuring a regular part of your routine. Thanks for stopping by and sharing this journey with us. Pop in again soon for more informative and lighthearted reads. In the meantime, stay healthy and cherish every moment of this extraordinary experience.

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