it's like 2003 7.61 124 2003 est. 2004 7.73 119 1.58 % 2004 est. 2005 7.73 118 0.00 % 2005 est. 2006 7.8 117 0.91 % 2006 est. 2007 7.86 112 0.77 % 2007 est. 2008 7.61 118 -3.18 % 2008 est. 2009 7.74 115 1.71 % July 2009 est. 2010 7.74 112 0.00 % July 2009 est. for the record only 2008 shown the negative aspects. this year is pretty good.
By week 16 (gestational age), although the bones and tissue that make up your babyâs ears are in place, it is still a few more weeks before the nerves conducting sound become functional, at around 20 weeks gestational age.
At about 4 months, babies start to look for the source of a sound, and by 6 months they try to imitate sounds. By 8 months, they babble and respond to changes in tone of voice. By your baby's first birthday, she'll probably say single words like ma-ma and da-da and respond to her own name.