Talk to Gynecologist on Underarm Painless Lump/ Bump / Pimple

I m 33 weeks pregnant alhumdulillah with gestational diabetes. muhje Kuch weeks phely underarm mein Dana hua tha , Jo keh Sahi hogaya tha khud hi.phir muhje few weeks ago underarm mein finger lagane se chota Saan lump / bump/ pimple feel ho Raha hai . Bhar se skin p Kuch nh , just finger Rakho Tou Dana feel hota hai. Khud hi Sahi ho Raha tha ander se Dana , mene morning mein Silva lagaya 2 Dinh , par muhje ab same lag Raha hai kum b nh ho Raha or khtm b nh ho Raha no pain fever etc alhumdulillah . I m very worried ? or jis underarm mein ander SE chota saaDana/ lump hai wo breast b muhje dosre breast se kum lag rahi hai size mein. phely same size thi breast ki pregnancy keh 7 month SE breast size mein slightly difference Aya hai . I m worried ☹️ please help koi underarm p effects cream bata dein ya Tou