Babies always healthy Human babies are always born healthy. Mothers can't die in childbirth or have miscarriages. Disable children Humans can't become pregnant. Human babies and children will never appear unless you choose them as starting colonists. Child aging rate Adjust the rate at which babies and children will age. Adult aging rate Adjust the rate at which adults will age. Wastepack cocoon infestations Adjust the chance that a dissolved wastepack will trigger the arrival of insect cocoons. Child raiders Hostile raids will sometimes include children. Disabled because another setting prevents human birth. Biotech Pollution