Please Help

Hey Lovely Ladiess I Have A Serious Question And I Need Major Help I Am Panicking ..... Ok Sooo I Had My First Son 4Months Ago “Yayyy New Mommy” 🤱🏽💙But Ya My Baby Daddy Came In Town From June 30- August 20 Due To An Emergency 🚨 And From The 1-8 of August I Had My Period It Wasn’t Heavy But Me And My Baby Daddy Had Sex Multiple Times Thru Out The Month Didn’t Wear Protection But He Didn’t Nut It Me But Two Days Ago I Started Noticing Some Brownish Red Discharge The First Day I Thought Maybe My Period Coming Again N It Was Just A Little But It’s Not My Period So I Googled It And Said It May Be Implantation Bleeding I’m Not Trying To Get Pregnant Again Has This Happened To Anyone Else If Soo Were You Pregnant Or Was It Just A False Alarm Could I Be Pregnant..... Btw When I First Got Pregnant I Didnt Show Any Symptoms Other Than A Missed Period This Is My First Time Ever Seeing This Please Help