Parenting is no doubt can be a beautiful experience and, if taken in the right spirit, it can itself help develop certain qualities indispensable for the Yoga. However, it comes with a heavy tax upon time and energy.
From the yoga point of view and even from the general progress point of view the same can be achieved in much more direct and simpler ways. Basically, it depends upon whether we are ready for the leap or need to continue along the complex paths that nature has evolved so far for our higher evolution.
Of course, there is the other side of the story, about helping the race evolve by the agency of the spiritually evolved yogis and sages engaging in marriage and having children, but that is a different subject.
