I hav 7 children 5 grown and lft home eldest 27, youngest 2 r 15 n12 i left there father 11 years ago he ?

was abusive and beat me up continually, i left the country with the kids i got sterilised. im entering the menopause im 43, iv bin with my partner 8 years, he has no biological children we would love one, i cant get the sterilisation reversed tubes r mangled does any one no how i go about egg donation as mine hav stopped ovulating thanks