There are a multitude of reasons to start a family and almost certainly an equal amount of reasons to not start a family. How do you know when it's time? Well understand this, it almost never has to do with what a church or a culture within a church has to say about it. Especially when they do not know you, or your journey on a personal level.
What do you think dear listener? Come discuss with us on our Facebook group.
https://www.facebook.com/groups/unpackingmormonismandotherreligioustrauma
https://womenseekingchrist.org/2011/05/13/ask-a-mormon-woman-why-do-mormons-have-so-many-kids/
https://www.churchofjesuschrist.org/study/new-era/1976/02/marriage-the-proper-way?lang=eng
https://www.churchofjesuschrist.org/study/ensign/2006/06/dating-versus-hanging-out?lang=eng