skin thickening on breast

after i had my daughter (i cant think of whatits called) i got that skin darkening thing that u get when your pregnant, under my arm and on my breast. the skin seemed to harden on my breast and grew until it was on the whole underside of my breast. now in a bout a year it hasnt changed but the darkened pigmentation has gone away. sometimes the thicker skin on my breast gets dry and cracks or itches. other than that no problems. i asked my doctor and she said to get a skin biopsy but i wont have insurance for another 3 monnths in which i will definitly be getting one done. my question is has anyone heard of anything like this or had this before? its thicker skin that is very smooth. i cant seem to find much info online about it and wondered if maybe someone here knew something. thanks for any help

[Trialanderror]

Have you been wearing a bra during the night for a long time as for example nursing mothers often do? If yes, try to wear loose clothing for a while and the discoloration will likely disappear after a few weeks.

[tatrobyrd]

no i never wear a bra to bed. inursed my duaghter for 2 weeks and it didnt work.  she is now 2