Srila Prabhupada stated that we change our bodies based on our consciousness, the state of our thinking, feeling, and, most importantly, our desire. One may take it
as an indication for the next body we may get in the next life. But what about this life?
... facilitating the appearance of a child is taken in Vedic (Vedic means human) society most seriously.
Letter to Subal Prabhu from November 12, 1967 written in Calcutta.
Locked down by the impact of time, locked down for the moment in the area of their being, the conditioned soul shakes in fear of the unknown future while forgetting the past.