# New Dexcom site, new sensor, old transmitter, wonky readings **URL:** \ **Category:** C/GM\ **Created:** [May 31, 2023, 9:06pm UTC](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861 "2023-05-31T21:06:33Z")\ **Posts on this page:** 4\ **Page:** 2
**Author:** ![Finn](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/finn/32/10159_2.png) [@Finn](https://forum.fudiabetes.org/u/Finn)\ **Post date:** [July 2, 2023, 9:39am UTC](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861/21 "2023-07-02T09:39:48Z")
So I tried this site again, this time on the other thigh, using a sensor with a different code, using a newer transmitter and leaving the transmitter out for 20 minutes before activating. I gave it 12 hours, but was still getting wonky readings. My reading seemed to stay level when sitting, then jump up when I got up. Calibration doesn’t help. They weren’t as off as they were on my first thigh attempt, but still off enough that I took it off and started a new on in a different site. So while I’ve got enough padding on my thighs, thighs just don’t work for me for Dexcom. Fine as infusion sites, but not for CGMs. Luckily, when I reported two faulty sensors recently, they sent me three replacement sensors, so I felt I had one to play with. So I don’t feel like I’m out a sensor. Upper outer arm, upper inner arm and outer forearm all work well for me, so I’ll stick to those for now. I haven’t tried stomach, lower back or calf, but I think I’m fine with three sites in my rotation. ---
**Author:** ![TommyGadd](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/tommygadd/32/10665_2.png) [@TommyGadd](https://forum.fudiabetes.org/u/TommyGadd)\ **Post date:** [September 18, 2023, 10:44pm UTC](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861/22 "2023-09-18T22:44:27Z")
I only use my arms or shoulders for my Dexcom. I was using my stomach at first, but in my job I sweat A LOT!! I wouldn’t trust the reading on my thigh or any where else. I just keep switching between my arms. Works great ---
**Author:** ![TommyGadd](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/tommygadd/32/10665_2.png) [@TommyGadd](https://forum.fudiabetes.org/u/TommyGadd)\ **Post date:** [September 18, 2023, 10:47pm UTC](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861/23 "2023-09-18T22:47:55Z")
What type of strip are you using? I use the one touch ultra and it doesn’t work? I tried though ---
**Author:** ![MM2](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/mm2/32/3032_2.png) [@MM2](https://forum.fudiabetes.org/u/MM2)\ **Post date:** [September 19, 2023, 2:50am UTC](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861/24 "2023-09-19T02:50:22Z")
> [@TommyGadd](#): > > I use the one touch ultra I use contour next strip, and it is stiffer. You could try 2 one touch together if one strip is flimsy. Or another option is a stiff id card or store membership card, that is stiff/thin plastic. Or hair clips that are thin and allow bending. More options in this topic. > [@Is 8-9 days per sensor the new normal?](https://forum.fudiabetes.org/t/is-8-9-days-per-sensor-the-new-normal/13342/17): > > @JGJpal Let sensor expire or stop sensor. Remove the transmitter while the sensor stays on your arm, use a Contour test strip, hairclip, thin card or guitar pick. I like a guitar pick the best. There is a clip on both sides slip the pick etc in between the sensor and the transmitter on both sides and the transmitter will pop up . She explains how to pop it up from the end Wait at least 15 minutes longer is okay Snap Transmitter back into the sensor Start new sensor session using your orig… [Previous page](https://forum.fudiabetes.org/t/new-dexcom-site-new-sensor-old-transmitter-wonky-readings/13861.md?page=1)