When will it happen..

I’m 21 years old.. my partner and I have been together a little over 5 years. My one main goal in life is to be a better mom than I had growing up. I can not wait to be a mom... it’s all I think about every waking moment... 10 mos. 10 mos we’ve been trying... doctor has ran all my blood work and said I am fine... but why.. why so long.. I want a baby to have and call my own now... 😭