Huge Leg Issues

I hv huge legs and am self conscious of them. Now being pregnant I am getting varicose veins that makes me feel even more self conscious. My legs ache all the time. My moms side of the family are cursed with these same legs although mine haven't gotten to the point where they look like theirs yet however still huge. Any excercises anyone can suggest would be great! Being a high risk pregnancy I can't do anything invasive but I cannot continue to allow my legs to just weaken and get bigger. I will never be able to live with myself like that. My knee cap has disappeared if that gives u a better visual.

Also, suggestions on how to rid of a double chin??

Please help!!