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Fundal Height

What exactly is your fundal height, why is it important and how does your doctor or midwife measure it? Many first time moms hear this phrase and wonder what it means, if it is normal, and if their baby is ok.

The fundal height is the measurement from the top of your pubic bone to the top of your fundus. Your doctor or midwife will normally start measuring this during your second trimester, possibly around the 20 week mark, or when you start showing if it is later in pregnancy.

The fundal height is used to assess your baby’s health while in the womb. Your fundal height should be equal to the number of weeks you have progresses in your pregnancy. So if you are 30 weeks pregnant, your fundal height should measure around 30 centimeters. A couple of centimeters in either direction normally isn’t much of a worry. However, if you are measuring quite a bit different it could be a sign of a problem.

If you are measuring bigger than normal, it could be a sign of a baby that is also bigger than normal, or a sign that you are having twins if it was not previously discovered. If you are measuring smaller than normal, it could be a sign that your baby is not growing properly, or has perhaps stopped growing. If either of these is the case your doctor or midwife will most likely order an ultrasound to further check the health and development of your unborn baby.

As you reach the end of your pregnancy, the fundal height can become less accurate. As your baby grows and fills out your uterus, his position can change and the measurement of your fundal height can change as well. If your doctor or midwife shows no concern over your fundal height, it isn’t something that should concern you either.

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19 Comments on "Fundal Height"

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3 years 1 month ago

I have a question, I’m a high risk pregnancy, I have three kids , all were emergency c-section , my biggest baby was 5 pounds 3 oz and my smallest was 4/3 , my obgyn isn’t doing much to help, I’m scared , I’m 29 weeks and 4 days and my belly still has not got bigger I’m only measuring 22 cm like I have been for the past 8 weeks , maybe I’m over reacting but I’m worried does any one have any tips

3 years 4 months ago

Hi at 26+3 I was measured 30cm 🙁
My MW sent me to do another scan, I’m very very worried as its my first pregnancy and I’ve tried for a baby for years… They didn’t do any other tests on me like glucose or anything like that 🙁 even for the scan appointment I’m waiting almost 2 weeks now as there was misunderstanding in my notes 🙁 so worried 🙁
Was anyone in similar situation? What was the result?

3 years 5 months ago

I’m 27 weeks but I’m measuring 33 I’m a bit worried should I be

3 years 6 months ago

I am 26 weeks but im measuring at 31 weeks if my uterus gets to 40 weeks and the baby is not at 40 weeks will they still make me deliver early

3 years 7 months ago

Very scared I’m 30 weeks measuring at 20 weeks advice plz

3 years 10 months ago

At 18 weeks I was 17 cm .. Now at 27 weeks I’m 23 cm. Should I be worried?

Mryliane Smith
4 years 1 month ago

Went to my appointment today and I’m 31 weeks and 3 days and I measured at 39 cm. He will send me for another ultrasound next, should I be real concerned?

4 years 2 months ago

I have 2 abnormal sons, now i am in 25th week of pragmancy while fetal length is 28
what does this show

Tonya Matthews
4 years 8 months ago

My daughter is 40wks and measuring a fundal height of 43 what does that mean.

5 years 7 months ago

Hey. I just recently had my baby. The whole way thru the pregnancy my fundal height was dead on ( at 28 weeks it was 28 cm for example.) and my boy weighed over 9 pounds. I don’t think it’s a real indication of size. You could have more or less fluid which could result in a higher or lower fundal height.

5 years 10 months ago

I’m 28 weeks but the doctor says I’m measuring 39. Is that bad?

5 years 10 months ago

Hi everyone! My baby is at 28 weeks but I measured at 30cm…does that mean ill be having a big baby? Worried because I’m a pretty small lady.

6 years 23 days ago

I’m 35 weeks,measured 31cm. Heart rate is still healthy, in the normal range. My bp always been on track. Baby’s active. His breathing is fine (wht radiologist said. My doctor schedule me an ultrasound, my baby passed the tests,but my uterus measured small. Could it just be that he’s a small baby.? I was 5.7lbs&boyfriend was 7lbs

6 years 3 months ago

hi everyone!i;m 35 weeks pregnant with twins but my fundal height is 33 it normal?

7 years 2 months ago

Im 31 weeks n measuring 38 is he okay 🙁

7 years 9 months ago
I’m concerned about my fundal height……This is my 5th baby and i have always measured right on track with my gestation week, never even off by .5 centimeters.This time is different. At 12 weeks i was on target, at 16 weeks i was 17.5 and at my 20 weeks i was 25. She triple checked it because she was surprised. We go for a ultrasound next week but i have been obsessing about it ever since i let her office. Should we be concerned about the baby’s health or that we are having twins?? I also forgot to mention that… Read more »
8 years 3 months ago

Hi , im 29 weeks pregnant on saturday the 12th march and i was at my ante-natel app today and my fundal height is 38cm. Should I be worried about this? Someone please help me as this is my first baby and I’m not sure of anything. Many thanks.

8 years 4 months ago
Faith, you don’t need to worry. It means that your baby is growing well. I am sure they have already determined that you don’t have twins. Another reason you could be measuring high is there was a miscalculation of the gestational age. Assuming you are as far along as has been determined, you are doing just fine. There are also periods of time when babies and mother’s fundal height goes through a growth spurt. Every woman and baby is different. If your doctor is not concerned, you shouldn’t be. In my second pregnancy I measured 2 cm shorter than my… Read more »
8 years 6 months ago

Went to Dr apt today, measured my uterus and said it was 35 cm. I’m only 32 weeks. Two weeks ago my uterus measured 31 cm. Should I be concerned?

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