Final answer:
Soldiers returning to duty after childbirth must usually wait a specific postpartum period and require medical clearance before going back to unit PRT. The not necessary requirement before 180 days after delivery is typically stipulated by military regulations.
Step-by-step explanation:
The question relates to the physical readiness training (PRT) policy for soldiers who are returning to duty following childbirth. The policy often stipulates a specific postpartum period before a soldier can go back to unit PRT to ensure they have adequately recovered. The requirement that is NOT necessary to release a soldier to go back to unit PRT before 180 days after delivery is typically a medical clearance. Most often, soldiers must receive a medical clearance from a healthcare provider stating they are fit for full duty before being allowed to participate in unit PRT. However, specific requirements may vary depending on military branch regulations and policies. Therefore, it is vital to consult the respective military branch's regulations for accurate guidance.