Oo, totally normal yan! Actually marami sa amin na may implant na may regla pa rin, although mas konti or mas maaga/matagal ang cycle compared dati, bawat katawan talaga ng iba, so kung worried ka, mas better mag-check with your OB para ma-assure ka lang at ma-rule out if may iba pang cause, kasi sometimes the implant does weird things sa flow natin!