The participants will receive breastfeeding guidelines for 6 weeks

The participants will receive aerobic exercises for 40 minutes, 3 times per week in addition to breastfeeding guidelines for 6 weeks.

All participants will be instructed by the following guidelines:

• Hold the breast so the nipple brushes the center of the infant's lips and wait for the infant to open the mouth.
• Infant's mouth should be opened wide, as with a yawn and should cover the entire areola, or a large amount of the areola.
• Both breasts are used in each feeding, usually 10 to 15 minutes on the first side, followed by burping before beginning the second side.
• Break suction by placing finger in the corner of infant's mouth and quickly remove breast.
• Apply breast massage before breastfeeding.
• The neonate is nursed shortly after birth and approximately every 2 to 3 hours thereafter for a total of 8 to 12 feedings a day.
• Lactating women needs about 8 to 10 glasses of fluids per day while breastfeeding.
• Caffeine consumption should be limited to 2 cups of coffee, tea or cola per day.
• Lactating mother should consume a healthy diet which is varied, balanced, and natural.

Each lactating mother in both groups will have a visual analogue scale (VAS) form containing a straight line its ends are defined as the extreme limits of milk flow. The mother will select the suitable description of her milk flow before and after the end of the treatment procedures. The scale ranged from 0-4. 0 means no milk flow. 4 means extreme milk flow.

ELISA Kit will be used for quantitative determination of the human prolactin concentration in serum. it will be measured for all lactating women before and after the treatment. Normal prolactin level is ranged from 100:110 ng/ml.

The baby will be weighed in kilograms at the beginning and after the end of treatment period by placing the baby over the baby weight scale wearing only the underwear and the baby diapers are removed.

The lactating mother will be weighed in kilograms by the weight scale while wearing a thin layer of clothes and with bare feet to assess and compare her weight before and after the end of the treatment period.