Aspirin for pregnancy

Went to doc yestetday,doc advise me to take aspirin because one due to my age i'm yurning 43 this year,2nd to prevent me from having high blood,protein in my urine and blood flow to baby.I dont wish to take first but i cant stop thinking bout it because doc keep on saying dye yo my age baby may get down symdrome n i have to take extra precaution.My mind just cant stop thinking about it. #advicepls #pregnancy #secondbaby