IRCT2017071435078N1 IRCT 2017-09-17 Vice chancellor for research, Yasuj University of Medical Sciences The effect of exercise on lactating Breast feeding optimal and neonate's growth after mother aerobic exercise: a randomized controlled clinical trial 2016-02-23 anticipated 34 Complete https://irct.ir/trial/26612 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive, Other design features: The one-way blind method was that the research units did not know their allocation to the study groups. 2 lactation. Intervention 1: Training of aerobic exercise under the supervision of expert then performed. An educational pamphlet of the exercises along with the CD gives them. Those in the exercise group undertook a program of aerobic exercise lasting 30 minutes per day, 3 days per week, for 6 weeks beginning 6 to 8 weeks post partum. The movements of aerobic exercise in each session include a three-step including warm-up, workout and cool down.Three or more days of exercise in any week, an extra week was added to the program. The researcher telephoned the participants to remind them of the timing of the interventions and follow-up. Intervention 2: Mothers in the control group only received the routine care.