Please help I'm worried this could be the menopause & i want kids one day if i find mr right for me.

This has been happening the last five to six cycles. Two to three days before i start a period i have spotting also my cycle length have changed from 29 to 31 days last year may 2017 to may 2018 now my period lengths are between 23 to 26 day's. I have had three sexual partners in that time & with my ex i was ttc. Should I be worried about spotting before my period & my cycle length change. I haven't been sexually active since the beginning of October