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    Default Small gestational sac 1 week behind and measuring smaller than baby.

    Hi all,
    I hope this is in the right section? There doesn't seem to be a pregnancy complications section?
    I tried to post this on one of those online doctor sites but have had no luck finding anywhere appropriate. Thought it couldn't hurt to ask here if anybody has been through something similar.

    I'm 8wks preg tomorrow but started sone minor brown spotting over the weekend. Also my hcg went from 6100 in week 6 to 6000 1 week later. 3 days after that it rose to 8400. I Went to the ED and had my first u/s there and it was discovered I have a small gestational sac. Baby hb was 144bpm, crown rump length is 10mm (7w0d which is accurate) but sac diameter is small at 9.9mm (5w5d). 1. I don't understand how the crl can be bigger than the sac it's in? 2. Is it realistic to think the sac may start to catch up in my next scan 1 week later? 3. The radiologist couldn't find the source of the bleeding, is that unusual? Where could it be coming from? Thanks so much.

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    There's lots of reasons for a bit of old blood to pass early in pregnancy, it's quite common. The slow rising levels coupled with the disproportionately smaller sac do seem concerning. The sac is what creates the hormones though, so that in part explains the slow levels.

    The issue will be if the sac continues to grow too slowly, it will start to restrict growth of the fetus. Sadly it might mean the pregnancy cannot continue. BUT there is always a chance it will catch up and just needs another growth spurt.

    I would get another scan in 1-2 weeks to see the progress. Bug hugs, I know the wait when you have this uncertainty is excruciating!

  3. #3
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    Thanks stretched love the knowledge on this forum!!! Has really saw me through the past few days.

    Really, the sac is what creates the hcg? So could it possibly mean it slowed but is picking up again? Next scan could see it catching up?

    I have a gp visit in an hour so this is a good talking point

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    Quote Originally Posted by happy444 View Post
    Thanks stretched love the knowledge on this forum!!! Has really saw me through the past few days.

    Really, the sac is what creates the hcg? So could it possibly mean it slowed but is picking up again? Next scan could see it catching up?

    I have a gp visit in an hour so this is a good talking point
    Yes, I had a wonderful ultrasound tech for the second scan confirming my missed miscarriage. My levels were still rising perfectly and she showed that the sac was still growing to dates. She explained the sac, with the forming placenta attached, is what is causing all the hormone changes, not the little bubba inside (which, in my case, had stopped growing 2 weeks prior).

    I hope your GP can help. I've found some know more than others but the wealth of knowledge on here can help fill the information gaps.


 

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