Quick questions

Stacie • Mother to Ben 👦🏽, Bash 👦🏽, and Braxton 👶🏽, 420 enthusiast 🔥💨, lover of life 😍🤘🏾
1) When in my cycle would I spot spotting?
​2) My cycles are different every month... One month it's 25 days and the next its 28 days... How am
​I supposed to keep track of my ovulation if my cycles are always different?
​3) After how long of not getting pregnant should I go see a doctor?