Yes I thought I was 6+3 but ultrasound measured 5+4. My cycles had been closer to 40 days so she said it's likely I just ovulated later. If you saw a heartbeat that's a really good sign baby is healthy and growing. Sometimes dates don't line up perfectly and that's why they do an ultrasound in the first trimester.
This is very common apps can’t track if you ovulated late this cycle so they aren’t 100%. Always go with the scan dates but obviously I mean the ones from your ob. With a history of lengthening cycles I would bet you are a little behind the app. Seeing a heartbeat is good!
My first child was almost 3 weeks off from LMP! I have a longer cycle and I ovulated late sooo yeah! He’s a super health 2.5 year old now!
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I had an ultrasound at the ER due to pain I was having in my side. I was 6W4D but one baby was measuring 6 weeks exactly and the other was only measuring 5W2D. When I went to the doctor at 8W4D, both babies were measuring 8W3D. I was nervous at first too, but my doctor eased my mind a lot! I would just try to keep calm and wait on your actual OB appointment 🫶🏾❤️