Report Abuse. 4-7 months the average, but babies do not learn to sit up all on their own. You need to help them! Prop them up in a boppy or hold them in your lap with as little support as possible. Sit them up in shopping carts and encourage them to hold on to the front for balance instead of leaning back.eport Abuse. 4-7 months the average, but babies do not learn to sit up all on their own. You need to help them! Prop them up in a boppy or hold them in your lap with as little support as possible. Sit them up in shopping carts and encourage them to hold on to the front for balance instead of leaning back.
Karl Pilkington (born 23 September 1972 in Manchester, England) is an English radio producer, author, television presenter, actor and general round-headed buffoon.
Karl Bushby. Karl Bushby (born 30 March 1969) is a British ex-paratrooper, walking adventurer and author, currently attempting to be the first person to completely walk an unbroken path around the world. Bushby's trek is known as the Goliath Expedition.