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Short humerus+ femur on USS

(8 Posts)
Sunandsea1 Sat 24-Nov-18 11:59:52


I had a growth scan which showed the femur at 24 weeks under 10th percentile and the humerus on the 5th. We had a low risk 1:6000 risk of T21 in the first trimester. Nothing was really said during the scan only that I should have a repeat in 4 weeks. Did anyone have the same issue before and has more positive storied to share than Dr Google?


rasberryandlime Sat 24-Nov-18 21:14:58

Yes I had the same whilst pregnant and everything turned out perfectly. At different stages during my pregnancy my son's femur length was measured as 'short', I had extra scans with fetal medicine etc at the start and then growth scans every 4 weeks after that....his FL ranged from the 2nd-12th percentile at different times during my pregnancy.
My lb is now a cheeky 6 month old and has no problems at all, he maybe has slightly short, stubby legs just like his dad smilesmileand all his uncles, but is on all the normal height/weight charts for his age.
Please try not to worry, remember someone always needs to be in that bottom 5/10%, albeit I know that is easier said than done x

bertielab Sat 24-Nov-18 21:17:59

Please don't worry much more common than you think.

JackiePaper Sat 24-Nov-18 22:16:53

Hi sonographer here, don’t worry, we are generally only concerned when FL is off the end of the chart (as in below the 3rd centile) x

Sunandsea1 Sun 25-Nov-18 08:20:45

Thank you so much. I hope it won't fall further. I have been immensly worried. Will step away from Google for the remainder of pregnancy!!!!

BertramKibbler Sun 25-Nov-18 08:21:50

One of my twins was under 2nd percentile for femur. She just had short little legs!

Eskie Mon 26-Nov-18 20:54:28

We had this at at our 20 week scan 2 weeks ago. The femur length is measuring 2 weeks behind. We went back 2 days later for a scan with the consultant and it seems that baby is on the 3rd centile for all long bones. We were offered an amnio but declined, as both our NHS tests and NIPT tests have been low risk for trisonomies. We have another growth scan on Wednesday, to check that baby is growing ok. I'm hoping that he's just short, like his parents (I'm 5.2 and DH is around 5.6). No advice, but here for a handheld if you need it, as we're experiencing the same thing xxx

Sunandsea1 Sat 05-Jan-19 11:52:05

Thanks everyone for your replies. I unfortunately had another growth scan which showed that the femur remained on 10th percentile but all other long bones are very small, on or below the 1st percentile. Although the bones in itself look good and the specialist did not see other features of dwarfism I am obviously very concerned now. The head is on 54th percentile and the abdomen on 26th. I am 30 weeks.

Has anyone anymore experience in this?

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