Whitney Cummings on turning postpartum struggles into comedy in "Big Baby" tour

Comedian Whitney Cummings, co-creator of the Emmy-winning sitcom "Two Broke Girls" and star of the autobiographical series "Whitney," has launched the second year of her "Big Baby" tour after recently welcoming her first child.

Cummings, who began her standup career in 2004 and has released six comedy specials, is focusing her new material on the experiences of motherhood and everyday life.

The 40-year-old comedian jokes about being labeled with a "geriatric pregnancy" by her doctor.