Re: What causes blood when pumping?
Yeah, that sounds like loss of suction- but if it's only happening when there's a lot of milk in the shield I don't think it's a problem. It's more likely to be a problem when it's happening with every suck of the pump. You'd see your nipple sucked into the tube, and then released with a loss of contact between breast and shield. Does that make sense?
Originally Posted by @llli*anakay
So it sounds like your shields may be a tight fit, but as long as you're not getting painful rubbing I think they're correctly sized. You might want to try lubing your nips with some olive oil- that may allow them to slide more freely, which will reduce friction-based chafing if that is what's causing the bleeding.
When I pump, my nipples get all puffy and they look like they fill the flange, but still are pulled in and out. It doesn't look like there's any space in between the nipple and the flange.
Gotcha! It really sounds to me like you're getting broken blood vessels (see my first post) related to pumping too long or with the suction turned up too high. As long as it's not happening every time you pump, and you're not in pain, I wouldn't worry.
This is just the second time I've seen blood. The first time was a long time ago, with the old PIS, small breastshield insert, and long pumping time. This time was with the new PISA, same breastshield that I always use, and same pumping time, but I had the suction turned up pretty high. It didn't really feel uncomfortable, though.[
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