Hi i had 5 month girl baby.. my previous child boy was  mild developmental delay...so now am scared about my baby girl..here i tell about her activities please let me know is she grow normally? 1.her head control is almost 90% ok 2.she rolled over both side at 2.5 months 3.laugh out loudly at 4 months 5.reaching objects just 1 week and grasp her leg just 10 days 6.turn head when sounds are coming 7.can sit for a while without support at 4 and half months 8.cam stand steady with support 9.make some weird sound like aaaaaa and soemtimes cooing less Is the activity normal for this age ..pls explain me?