Final answer:
The stage of labor that is postpartum and lasts for 1-4 hours is the Fourth stage, also known as the recovery stage. During this stage, the uterus continues to contract to expel the placenta and associated fetal membranes.
Step-by-step explanation:
The stage of labor that is postpartum and lasts for 1-4 hours is the Fourth stage. This stage is also known as the recovery stage. During this stage, the uterus continues to contract to expel the placenta and associated fetal membranes.