If we look for a moment at the axis of life at a glance, we will identify during the first six years of our children's life regular times in which there will be behaviors that we will experience as regression. 
These moments, are actually signal lights that signal us to do a version update and look for more tools and knowledge that are adapted to our children's new developmental stage.
You will find here lectures full of knowledge and tools that will give you an answer, preparation, and tools to feel confident in the parenting journey.