The mother should be at home, whenever possible. Parents provide what works best. Society has an obligation to provide it for all families. Sex outside marriage is immoral. People should have tools to act responsibly.
Preventive services work best for family and society.
This is an invasion of family privacy. Most teenagers are sexually active. Accept it, but do not promote it. Bring back laws that kept more families intact. No, but revise them to put interests of children first.