الملخص
Abstract This Study has been done on (200) blood samples from suckling Women their ages from (14 – 45) years suckle 1 day – 6 months babies, the hormones concentrations (Luteinzing Hormone (LH), Follice Stimulating Hormone (FSH), Estrogen Hormone (E2), Prolactine, Progest.) have measured by ELISA. The results have divided according to age and sex of the baby and also according to the number of births; The Results showed a significant differences between hormone level according to the age of the baby, In the second week of the first month prolactin hormone reached to its higher level at the same time there was a significant decrease in LH and significant increase in FSH. E2 hormone was increased and decreased while Progesterone. hormone didn’t changed in the 1st month significantly. Also the results showed that the higher level of prolactin hormone was in the 1st month where its level reached (110.01+3.455) ngml also there was adecrease in the LH level while the level of Progsterone. Didn’t change significantly during the first six months of suckling, but according to the sex of the newborn there were significant difference between hormone levels during the first month of suckling and also during the first six months, Prolactin hormone level was higher in the mothers with male offspring and lower in mothers with female offspring where the higher level of it was in mothers in the second week of suckling where it reached (140.4+1.48) ngml accept the second week and 6th month where the results were counterd and according to the number of births the analysis showed significant differences between hormone levels in which prolactin was decreased significantly in the first birth.