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First US and I don't know what to think!

Valm999Valm999 member
in 1st Trimester
Hello ladies! I need some perspective bc I'm driving myself and everyone around me crazy. I had my first dating ultrasound today. When I've seen my doctor to confirm the pregnancy she used my LMP date to estimate how far along I was and the due date and informed me that the ultrasound will be most accurate bc I had irregular periods and ovulation a since I came off BC. During the ultrasound at first they couldn't see the baby so they had to do a transvaginal ultrasound. I didn't hear a heartbeat which I was expecting and the technitcian said it's too soon to hear it. The baby measured at 6 weeks and 2 days which is one week behind what my doctor has estimated. I left the ultrasound crying because I didn't know if the baby measured one week behind because it didnt develop properly or because my doctors estimation of my pregnancy wasn't accurate. Also not hearing a heartbeat made me worry. All you can see from the ultrasound image is a little sac but I don't see a baby. All that added to my lack of pregnancy symptoms made me very worried. I even bought a pregnancy test on the way home to ensure I'm still pregnant (it was still BFP). Was my ultrasound experience normal? What did you experience and see during your first dating ultrasound?
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Re: First US and I don't know what to think!

  • Vanval10Vanval10 member
    I had my first real ultrasound today. I had one about two weeks ago at the emergency room and it was too early to see the baby. My lmp put me at 7w 5d today so I was only about 5w the last time. Today we saw the baby, heard the heart beat, and got to see it as well. It measured at 164 bpm. I was a nervous wreck thinking about the last one and if I would even see anything today, did you see the embryo at all? Or was it just the dark sac? If it is just the sac maybe it is just too early too see anything. But you said your measuring at 6w 2d so maybe your eddy was just off based on ovulation or a wrong lmp. Whatever it may be I hope everything goes well for you. And that everything is fine.
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  • Vanval10Vanval10 member
    Also, I would just give my doctor a call to get some piece of mind. It's always tough when you're still early and can't figure out what's going on.
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  • tlc35tlc35 member
    At this point you will just have to wait and see.  Dating based on LMP isn't very accurate if you have irregular period so it is very possible that just ovulated 1 week later they think.  i know it sucks not to know but at this point it could go either way.  When do you have a follow up ultrasound?  At that point you will have a better idea what is going on.
    Me: 37                                               
    DH: 45
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    BFP #2  12/4/14 Beta #1 218 at 12dpo Beta #2 1055 at 16dpo
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  • JennicillinJennicillin member
    My son measured a week behind and I had very regular periods

    Now I'm 30 weeks with him

    You'll just have to wait and see, 6 weeks is a bit early to see a heartbeat.  They usually don't worry about that until you're closer to between 8 and 10 weeks.  Did they schedule a follow up scan?
    image

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  • Valm999Valm999 member
    Looking closely at the image I see a sac and a fetal pole attached measuring at 3.22 mm which is normal for 6w2d. No follow ups are scheduled for now as the results are forwarded to my doctor and she will only contact if anything is wrong. My next appt is to meet my OBgyn in about 3 weeks. I guess I freaked out because the US dated one week early than what my doc calculated and it freaked me out. I really appreciate your answers, reassurance and support.
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  • ordinary1ordinary1 member
    A dating scan is more accurate than going off of your lmp.  According my lmp, I should be 7+ weeks.  I tested cd days 35, 40, and 45 and got all BFNs.  Day 50, I got a BFP; no way am I  7+ weeks.
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  • mc0113mc0113 member
    You definitely would not hear a heartbeat that early but maybe possibly see one. Also measuring a week behind isn't a big deal - it usually just means you ovulated later than you thought. I was temping and knew that I ovulated 5 days later than based on my LMP and my first ultrasound showed just that. It's no big deal. 
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  • haliebabyx3haliebabyx3 member
    I wouldn't worry. My LMP and the dating ultrasound were a little over a week off. I was further behind than my EDD based of LMP. I also had came off BC and had very irregular periods before that. As far as not hearing the heartbeat, I'm sorry I have no experience with that only because I was almost 8 weeks at my dating ultrasound. From what you can see from PPs that is still a little early.
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  • kim63006kim63006 member
    At my doctors office they won't even see you until 8 weeks for that reason. It's too early to see or hear anything for the most part. When i went to my apt at 8 weeks i measured 7wks 4 days. The tech told me it's normal for measurements to be off because of timing of ovulation. I hope this gives you some peace of mind :)
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  • HoshikitsuneHoshikitsune member
    When I went in for my first...my LMP put me at 8 weeks...I was only 5 weeks and 3 days by the u/s.  I am now almost 34 weeks.  As much as you don't want to hear it, you can only wait and see.  I wish you the best.
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  • aetgaetg member
    I think you should call your doctor's office. They should have given you some information about why the date was different. Some doctors don't tell you anything unless you ask.
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  • jlt3357jlt3357 member
    I agree with the pp's. I had my first dating ultrasound and by my calculations I should have been almost ten weeks but the baby measured at around 7 weeks. We saw a heartbeat flicker but could not hear it that early. My OB wasn't worried about the dating, lots of women are off on the timing of ovulation. At my next appointment we will do another ultrasound to better determine how far along I am. At first I was worried like you but my OB calmed me down. Ask any questions that pop into your mind. A lot of doctors aren't good at explaining things that are routine to them. They forget not everyone is well versed in the medical field. Try to be positive and look forward to your next appointment.
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  • HerHighnessHerHighness member
    Try not to make yourself crazy. Ovulation may have been off.

    With my first pregnancy i started bleeding when i was around 6 weeks (or so i thought) I went to the ER. They gave me an ultrasound, blood work etc then after an hour told me that i had a miscarriage. They sent me home with pills and to follow up with my OB in a week. Fast forward a week im still very sick. OB was concerned and gave me another ultrasound. There was my daughter safe and sound. I must have ovulated late and was a week or so behind. She is now 4.

    Try not to stress out until you know more details. I know its very hard. Sending you calming thoughts and prayers. Hang in there mama.
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  • nikkitaplinnikkitaplin member
    I didn't read all the other comments but I had the same thing happen with this pregnancy.  I went in for my first ultrasound at what I thought would have been 6 or 7 weeks.  I measure at 5 weeks, 0 days and no baby could be seen. Just the sac. I freaked out because I thought maybe the baby just didn't develop, etc....so I had another ultrasound a week later and I was 6 weeks, 1 day.  We saw the baby and heard the heart beat.  I asked the ultrasound tech and she said any time between 6-8 weeks is when you can see/hear baby.  I asked why I'd be a week or two off by dates to the nurse and she said sometimes it takes longer to implant but nothing to worry about...so just be patient.  Ask for another ultrasound for 'viability' in a week.  That's what they called mine.
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  • greenbumbleteagreenbumbletea member
    I just had my 1st ultrasound today and everybody's comments are also very helpful to me in knowing that my feeling of confusion and mixed feelings are normal!

    I was having such mixed emotions and almost burst into tears when I finally got to the OB's office (I hadn't been there since I miscarried 4 months ago). Based on my LMP I was 6 weeks and 5 days today. 

    When the Doc did the ultrasound, he showed me that there was a yolk sac but he saw nothing else. Then he zoomed in and saw something pulsing. By measuring the pulsating blob, he estimated that I was no more than 5 weeks and 5 days, which left me confused since I know that I had my period when I had my period (I can't make up something like that!) We pulled some blood for an hcg and progesterone (which I'm repeating in 48 hours), and I have a recheck ultrasound scheduled next week. Keeping my fingers crossed and trying to live a normal life til then!
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  • ordinary1ordinary1 member
    greenbumbletea said:

    I just had my 1st ultrasound today and everybody's comments are also very helpful to me in knowing that my feeling of confusion and mixed feelings are normal!


    I was having such mixed emotions and almost burst into tears when I finally got to the OB's office (I hadn't been there since I miscarried 4 months ago). Based on my LMP I was 6 weeks and 5 days today. 

    When the Doc did the ultrasound, he showed me that there was a yolk sac but he saw nothing else. Then he zoomed in and saw something pulsing. By measuring the pulsating blob, he estimated that I was no more than 5 weeks and 5 days, which left me confused since I know that I had my period when I had my period (I can't make up something like that!) We pulled some blood for an hcg and progesterone (which I'm repeating in 48 hours), and I have a recheck ultrasound scheduled next week. Keeping my fingers crossed and trying to live a normal life til then!
    The LMP is used because ovulation typically happens two weeks later. If you ovulated late it doesn't matter when your LMP was. The important part is ovulation.

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  • NoneeeNoneee member
    I had almost the same fear. My periods were regular. I went to the dr at 6w2d due to my lmp and only a gestational sac a yolc sac could be seen and slightly the embryo which has just started to develop but it could yet be measured. I also asked the dr he told me its just normal I might be a week behind even if I have regular periods bc I either ovulated later or the implantation took a lil longer. I had to go back in two weeks that was yesterday and I measured 8w2d due to lmp and the us put me on 7w5d and there was the baby as well as the beautiful perfect hb! So no worries you'll be fine!
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  • AggieMom0809AggieMom0809 member
    Sounds normal. You won't usually hear a hb until 8 weeks. My obs due date estimates have always been off. You can ask your ob for another ultrasound when you should be 8 weeks. As long as your insurance covers it or you are willing to pay out of pocket they will do it. They may also take another blood work round to be sure levels are going up.
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