Well for me personally I had hoped for an 18month - 2yr gap. AF came back not long ago but right now I've got a 4-6 day LP so no chance of getting utd. I really don't want a big gap so hoping things settle soon. I'm taking b vits and once bub is over this sickness I'll be cutting feeds back and slowly weaning her with the hopes of helping my cycles regulate. Of course I don't want to wean her but having a sibling close in age will be better for her I feel. I also have a referral for a fs and plan to book in for Jan, Feb. I really feel like we don't have time to waste, like you said it could take 2yrs, who knows. If AF had come back earlier I would have tried earlier.