Which of the following BEST explain why the only $6\%$ of non$-$group plans covered maternity services in states where non$-$group insurance plans were not required to cover maternity services?

Group of answer choices

Maternity coverage is expensive

There was a lot of churn in enrollees in these plans so a pregnant women who enrolled in this coverage likely wouldn't have the coverage for her whole pregnancy.

Pregnancy is a health event that an enrollee has a good amount of control over. Plans are concerned that pregnant women or women who are planning on becoming pregnant would select into their maternity coverage plans, driving up costs.

There was little demand for maternity benefits.