Short femur in scans?

posted 1 week ago in Pregnancy
Post # 2
3926 posts
Honey bee

I recall my son having a short femur and small belly. He was and still is a small kid, but perfectly healthy at six years old! Maybe discuss it more with your doctor and let them know it’s concerning you, so you can get more in depth answers. Sometimes they brush us off when it’s not concerning to them and forget their patient doesn’t necessarily feel the same way!

Post # 3
251 posts
Helper bee

We had a short femur at ours. I just looked back and it was 7th percentile at 30 weeks but we were 36th percentile at 20 weeks so not entirely comparable to your situation as earleir measurements are more accurate. I was also nervous and did not a ton of researching. Both my doctor and the MFM at the hospital were not concerned. They pointed out at the percentiles are not gender or ethncity adjusted. If you or your husband are short (I am) that also may impact the percentiles. 

To aid my paranoia, my OB let me do another scan at 36 weeks. Our LO was 18th percentile then for femurs, although who knows if she actually grew or the earlier measurements were inaccurate. At birth, she was average length. 

I’m sorry you are dealing with this! I found stuff like this super stressful during pregnancy but as most people will tell you, if your OB is not concerned that everything should be fine. 

Post # 5
93 posts
Worker bee
  • Wedding: May 2016

Same thing happened to us! I forget what the percentile was, but they had us do a follow up with MFM and got the same result. The head of MFM came in, took one look at my husband, and went, “Oh well that explains it.” He is clearly not super tall! Then my son was born, he’s perfectly fine, and even on the tall side. Funnily enough, never had an issue with any scans for my second son. Definitely have a chat with your OB, but I wouldn’t worry unless someone tells you to. 🙂

Post # 7
588 posts
Busy bee
  • Wedding: June 2019

I don’t know about femur length, but just wanted to say the baby’s height could be different from you guys. My husband and I are both average at best (I’m 5’4″ and he’s like 5’8″- average for a Hispanic male) but our daughter was born long and is currently 98th percentile for height! She is growing like a weed. I was very surprised since like I said, we are not tall by any means. But my dad is 6’4″, his dad is like 6′, and my siblings are both pretty tall. Both our moms are shorter than me, about 5’2″ each. So I guess we both got our mom’s heights but then carried through some taller genes? It is weird lol. Is everyone in your immediate family also tall?

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