Talk to General Practitioner on Why My Penis Increasing In Length

asalam alikum, admin kindly post my question, i m 23 year old unmarried, physically fit height 5 ft 9 inch, meri problrm ye hai k dr mera penis aj sy 3 saal phly 4inch somthing tha but mein by notice kia k ye axhnck length aur thickness mein badh rha h measure kia tu 5 .5 inch tk chla gaia h dr sy sawal ye h k kia ye normal is age mein badha ya koi air medical problem tu nh h at this age 23 mein