An ectopic pregnancy is twice as likely to develop when the pregnant woman is a smoker as it is when she is not a smoker. In 2019, 16.5% of women of childbearing age were smokers. What proportin of women having ectopic pregnancies were smokers in 2019

The multivariate results showed a strong relationship between smoking and ectopic pregnancy risk: Compared with women who had never smoked, those who had smoked in the past had 50% higher odds of ectopic pregnancy (odds ratio, 1.5); the differential was larger for current smokers and climbed as the number of cigarettes.

Explanation:

five fundamental regions= A is the answer.