How Has the Oral Birth Control Pill Affected Labor Markets

How has the oral birth control pill affected labor markets?

A) The Pill has increased female labor force participation but reduced the number of years females spend in school.
B) The Pill has made it easier for women to pursue careers in business, law, and medicine, resulting in less able females choosing to teach.
C) The Pill has reduced female labor force participation but has no effect on years of schooling.
D) The availability of the Pill has led some women not to postpone marriage, which has driven market wages up as females quit work upon marrying.