Hi Mariela,
I've found (after using it for 3 and a half months) that I can now go a couple of days before pumping again - this is to maintain the size it is at the moment (whilst waiting to the larger cup to be developed
). I think that after a while of using it to get your desired size, you will probably be able to leave it slighty longer, topping upi only once or twice a week - which is a small cost for such fantastic results!
It does leaves marks sometimes if you accidentally pump too hard but these go away, and I have no experience of stretch marks.
When first using it your breasts may go slightly red, or if you don't use a cream during pumping. They may also go red if you pump too much but you develop your own technique within a few days so the chances of this happening are reduced.
Hope this helps
