How To Calculate TFU (high Fundus Uteri)?

Illustration of How To Calculate TFU (high Fundus Uteri)?
Illustration: How To Calculate TFU (high Fundus Uteri)? researchgate.net

I want to ask in the morning. When I did an ultrasound at the age of 26 weeks of pregnancy TBJ uda 1123 grm. But when I was 29 weeks of pregnancy I checked with the midwife how come my tfu was only 17 cm and we didn’t have enough fetal midwives … Even though my stomach was looking big … I’m confused … which should be a reference … what the ultrasound measurement is by the midwife … Please explain

1 Answer:

Hello, thank you for asking at HealthReplies.com
There are 2 ways that can be done to calculate the estimated or estimated fetal weight (TBJ), namely through calculations using the height of the fundus uteri (TFU) and through an ultrasound examination.
Calculations using TFU are performed at health facilities that do not have USG services. Calculations using the Johnson formula, namely:


BJ (in grams) = (TFU (in cm) - n) x 155
Where :


n = 11 if the baby's head has not entered the pelvic (PAP) door
n = 12 if the baby's head has entered PAP
Many things affect the calculation using TFU, namely the thickness of the abdominal wall and the position of the fetus during eviction. So, often the results will be inaccurate. Therefore, if there is an ultrasound service, the TBJ calculation is preferred using the results of this examination. However, however the ultrasound examination is highly operator dependent, where the results are highly dependent on expertise and flight hours.
Mothers should increase eating nutritious foods. Complete with consuming milk every day. Then the mother can control the following month to a health facility that has USG services. Monitoring of fetal weight gain will be performed by an obstetrician. Then the mother can follow the direction of the obstetrician.
Thus hopefully useful.

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