I've been getting them in my right hand too. That and also some foot numbness and leg going to sleep more easy.
The legs I think is because of hip issues that I have that the preg has made worse and the hand I think is because when you are preg you are more susceptible to carpal tunnel so I've had to be more careful with my wrist position while at the computer all day working and that helps.
I think my bp might be a big low just due to all the changes going on with blood volume and relaxed muscles and all that because I'm also finding that I frequently get eye spots and sort of black out a little if I stand too fast. My bp at my last midwife appointment was 101/70 which is normal for me.
I'm not too worried about it but mostly because this isn't THAT abnormal for me and not anything brand brand new, just a more noticeable and more frequent mostly and more extreme. I'll ask my midwife about it in 4-5 weeks when I see her after my 13 week US. If it is really new for you though, might want to ask your maternity care provider.
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