Mothers in the control group will not exercise and will receive routine breastfeeding counseling.

In the 8th and 14th weeks after birth, mothers will be subjected to; Breastfeeding Self-Efficacy Scale-Short Form (BSES-SF), LATCH- Breastfeeding Charting system, IMDAT: a tool for assessing the level of maternal milk intake scales.

Primiparous mothers assigned to the exercise group will attend classes in groups of 8-10. Mothers will be given 1 hour (120 minutes) of exercises to increase breast milk three times a week for 6 weeks. The total training time is 18 hours. Each session will include 60 minutes of warm-up and stretching exercises and 30 minutes of relaxation exercises.

Primiparous mothers assigned to the exercise group will attend classes in groups of 8-10. Mothers will be given 1 hour (120 minutes) of exercises to increase breast milk three times a week for 6 weeks. The total training time is 18 hours. Each session will include 60 minutes of warm-up and stretching exercises and 30 minutes of relaxation exercises.

Breastfeeding Self-Efficacy Scale-Short Form (BSES-SF), LATCH-Breastfeeding Record System, IMDAT: Breast milk intake level assessment tool scales will be applied to mothers before exercise (8th week after birth) and after exercise (14th week).

Mothers' sociodemographic characteristics will be collected through surveys and compared and reported

Breastfeeding Self-Efficacy Scale will be applied to mothers. Breastfeeding Self-Efficacy Scale is 14-70 points (min-max) and as the score increases, it shows that mothers' breastfeeding self-sufficiency increases.

LATCH- Breastfeeding Charting system will be applied to mothers. LATCH- Breastfeeding Charting system is 0-10 points (min-max) and as the score increases, it shows that the mothers' LATCH score increases.

IMDAT will be applied to mothers. IMDAT is 0-10 points (min-max) and the higher the score, the better the intake of breast milk.