The first stage of childbirth, labor, typically lasts how many hours for a woman having her first child?

A) 2-4
B) 6-10
C) 8-14
D) 12-20

First Stage

The initial phase or beginning of a process, event, or development.

Childbirth

The process of delivering a baby from the mother's uterus to the outside world.

Labor

The physical and mental efforts employed in economic production or service activities, often referring to both the workforce and the process of childbirth.