Now, what we're really saying is that 50% of all babies have fully mastered all the skills needed to crawl by about 7 months. What this also means is that any baby taking longer than 7 months to crawl, is still learning other basic skills or becoming physically stronger.bviously there are 2 answers to this question. Firstly, about 50% of all infants can crawl at 7 months; 75% can do so at 10 months and 90% of all infants have mastered it at 11 months.
A rotten taste could be related to halitosis, also known as bad breath. Bad breath is an unpleasant condition that can be cause for embarrassment. If you don't brush and floss daily, particles of food remain in the mouth, collecting bacteria, which can cause bad breath. Food that collects between the teeth, on the tongue and around the gums can rot, leaving an unpleasant odor.
In some children, the teeth may be peppered with brown specks. As the decay progresses, your child may complain of one or more of the following symptoms: 1  A bad taste in the mouth. 2  Bad breath. 3  Toothache that ranges from mild to severe and occurs when chewing food or (in the later stages of decay) even at rest.