Final answer:
The choice that is not a factor complicating the transition into parenthood according to Alice Rossi is the national consensus on what constitutes successful parenthood.
Step-by-step explanation:
The option that is NOT one of the four factors identified by Alice Rossi as complicating the transition into parenthood is C. The national consensus on what constitutes successful parenthood. Rossi highlighted issues that make transitioning into parenthood challenging but did not mention a national consensus as one of them. The factors she identified include the lack of anticipatory socialization for the role of caregiver, the abruptness of the transition to parenthood, and the limited education offered during pregnancy, which often fails to fully prepare future parents for the emotional and practical changes they will face.