What army regulation makes enrollment and participation in p3t program mandatory?

The enrollment and participation in the Pregnancy Postpartum Physical Training (P3T) program is mandated by Army Regulation 600-9, which pertains to the Army's weight control program. This regulation emphasizes the importance of maintaining physical readiness and provides guidelines for the health and fitness of soldiers during and after pregnancy. The P3T program specifically supports postpartum recovery and reintegration into regular physical training.