| At my first ultrasound, the radiologist said I have an irregular shape yolk sac and that he is not sure what the significance of that is. Has anyone else heard this? I haven’t found too much about it and haven’t had a chance to speak with my OB yet. |
| You should definitely speak to your OB about any concerns/questions. I don't think it increases your chances of having a miscarriage, though. I've never had that in any of my pregnancies, so I don't have any personal experience to share, sorry. |
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I think irregular yolk sacs are sometimes associated with chromosomal problems with the embryo. But not always. And I had 4 miscarriages caused by chromosomal problems and the yolk sacs looked perfect with all of them.
Did they hear a strong heartbeat? How far along are you? Will be thinking of you Op. |
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A study that was done showed that the miscarriage rate in pregnancies that showed an irregular yolk sac was identical to those that didn’t. It occurs in about 17% od all pregnancies. In the absence of any other indicators, it’s likely meaningless. So don’t worry about it.
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| Thank you for the replies. There was a strong heartbeat, although the dates were a little behind what I was expecting. Overall, the radiologist was positive and said everything looked good but recommended a follow up in a few weeks. I lost another pregnancy last year, and I only heard red flags (irregular yolk sac, small subchorionic bleed, tilted uterus/hard to see the fetus, almost a week behind). I’m familiar with the rest but never heard of an irregular yolk sac. I’m on vacation for the 4th and have a follow up with my OB next week. I figured I could wait till then for any bad news. Will update if my OB has any thoughts. |
| How many weeks are you OP? I remember with my second I had an irregular placenta and yolk sack i also had some beleding around 6 weeks, contractions the whole pregnancy, weird pains, ended up doing anamnio because the genetic tests were not great, etc. Baby was born at 39.3 weeks with a planned C section (my first was also C section) and was peefect. |
| And PP, I’m sorry for your losses. Thanks for sharing your perspective. |
| I’m around 7w3d according the the ultrasound. |
| With a strong heart beat at 7w3d I think you will be just fine. The chances of miscarriage at this point are very low |
Thnks. Fifth time was the charm and I now have a rainbow baby who was born perfectly healthy. I hope this is yours. I know how hard the waiting is. Hope you enjoy your vacation. |
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Quick update for posterity- my OB didn't seem concerned by the irregular yolk sac. Said he's sees several a year.
I'm not out of the woods yet because I measured a bit behind, but hoping for good news in the next couple weeks. |
| Another update here- had a second ultrasound that showed a) everything is growing as expected and b) a totally normal yolk sac. No explanation for why it looked so crazy in the first ultrasound. |
| Congratulations what a relief |
Awesome news, OP! |
| Your OB is the person you answer your questions not an anonymous chatroom. |