Why was Ms Astor onboard the Titanic?

Madeleine Talmage Astor, along with John Jacob Astor IV were aboard Titanic because they wanted their unborn child to be born on US soil. She and their son-to-be survived.
Madeleine Talmage Astor, along with John Jacob Astor IV were aboard Titanic because they wanted their unborn child to be born on US soil. She and their son-to-be survived.