Not again!!! Im suppose to ovulate this weekend but instead got another period! Wtf?!

Last month i got 2 periods in one month, i told the dr,n he said to not to worry only if it keeps continuing.....My last period was abouy 2 weeks ago and im "suppose" to ovulate this weekend and woke up,this morning with medium size pink blood ( sorry tmi)....Im getting freakin frustrated!!! Im not suppose to,start my period until the ends on this month!!!!!!!! Grrrrrrrrr😡😡😡