Table 3. pH and solid content rate of the collected human breast milk

Characteristics		pH	Solid content rate (%)	Total (N)
Delivery type
	Vaginal birth	6.64±0.38	11.27±0.78	11
	Cesarean section	6.48±0.19	11.33±0.80	18
Age
	20-25	6.56±0.32	11.12±0.32	3
	25-30	6.56±0.34	11.58±0.73	11
	30-35	6.56±0.26	11.11±0.90	10
	35-40	6.44±0.25	11.19±0.86	5
Lactation stage
	Less than 10 days	6.63±0.26	11.72±0.69	7
	10-30 days	6.53±0.33	11.09±0.67	16
	More than 30 days	6.45±0.15	11.40±1.05	6
Gestation period
	Less than 37 weeks	6.50	10.70	1
	37 weeks or more	6.54±0.29	11.33±0.79	28

Data are expressed the mean ± SD of milk samples of mothers who followed the delivery type, ages, lactation stages and gestation period.