Question 1 [30 marks] It is common to ignore the thyroid gland of women during pregnancy. This gland makes hormones that govern metabolism, helping to regulate body weight, heart rate and a host of other factors. If the thyroid malfunctions, it can produce too little or too much of these hormones. Hypothyroidism, caused by an untreated underactive thyroid, carries the risk for pregnant women of impaired intelligence in the child. According to one research study, 62 out of 25,216 pregnant women were identified with hypothyroidism. Nineteen per cent of the children born to women with an untreated underactive thyroid had an IQ of 85 or lower, compared with only 5% of those whose mothers had a healthy thyroid. It was also reported that if mothers have their hypothyroidism treated, their children's intelligence would not be impaired. Using the information provided, answer the following questions. Q1.1 Find the likelihood that a woman suffers from hypothyroidism during pregnancy and later has a child with an IQ of 85 or lower [10 marks]