Help me Lort!!!

So I’ve been trying for three months and I’m just at the point I want to just stop!!! But I really want a baby but AF keeps showing up and I didn’t invite her!!! I normally stay on 5 days and this time I’ve been on for 3 and I’m spotting I don’t understand this crap! It’s so frustrating when you really want a baby and it’s seems like it’s so easy for everybody else around you! I just want two that’s all I can’t even get one right now! This is so stressful!!!