Pms back to normal.... 😃

Ever since I removed my mirena my periods have been longer (5)days and irregular.But since last month I have noticed that brown discharge a day or two before my period which is normal also my AF has lasts (3)days last month and this month. Well what I'm thinking is that my AF is back to normal which I might be able to conceive now I have been trying for 7 months I had removed my mirena a year earlier also. If any of you happen to know or is going through something similar please respond I'm anxiously waiting to conceive.....