“Most girls get their first period when they're between 10 and 15 years old. The average age is 12, but every girl's body has its own schedule. Although there's no one right age for a girl to get her period, there are some clues that it will start soon.”
That is from kidshealth.org
Some children have few day-to-day symptoms, but have severe asthma attacks now and then.. Other children have mild symptoms or symptoms that get worse at certain times. You may notice that your child’s asthma symptoms get worse at, with activity when your child gets a cold, or with triggers such as cigarette smoke or seasonal allergies.