Beyond the difficulty in understanding the new roles as parents and children, what other roles are men and women navigating and why?

Beside roles as parents, In the past decades, the roles of Men and Women have mixed up with one another.
In the past, women are known as the caregiver in the household and were known as the sole provider in the society. But due to more and more women in the workforces, many couples decided to switch up their roles into stay at home husband and working mom.