I was told after my 4th child that my uterus lining was very thin plus i was forced to hav tubes tied and burned or clipped and burned can i fix this?

Fertility: Yes, tubal ligation can be reversed. In light of your thin uterine lining, you risk uterine rupture with subsequent pregnancy.

? forced /fixed ?: A very thin uterine lining means you would be at risk of uterine rupture during any pregnancy along with catastrophic internal bleeding and death within an hour. You should consult with several specialists in this area before you try to have anything reversed.