Many doctors will provide early screening for gestational diabetes if you are obese or you have had gestational diabetes in a previous pregnancy. 12% of pregnant women are obese, 18% of pregnant women have had gestational diabetes in a previous pregnancy, and 6% of women are both obese and have had gestational diabetes in a previous pregnancy. What percent of women will need to have an early screening for gestational diabetes? Are being obese and having gestational diabetes in a previous pregnancy mutually exclusive events? Why or why not? Prove that being obese and having gestational diabetes in a previous pregnancy are not independent events. What is the probability of having gestational diabetes in a previous pregnancy, given you are obese?