I'm going to 50yrs in age this coming Oct.12 , first thing I feel is laziness,feeling weak,sometimes dizziness, I feel also neck aching in the back side and I cannot sleep in right side position cause of backache,I suspect its pre menupausal cause my visitor don't come last month its just a drop and no more ..that's why I monitor my menstrual period one thing more I experiencing now is I'm always fart "gas out" ..so I'm worried , I don't experience to do pap smear since I gave birth in my 3 children in ceasarian operation ,some says its useless.. need your advice for what is the best now .. if visit to doctor what doctor I have to visit ,OBgyne or internal medical dr. please advice..thanks for your help advice