It is normal to have leukorrhea at the age of 9 for breast development, but it is not normal to have excessive leukorrhea and odor.
The female puberty usually starts at the age of 9 and ends at the age of 18. During puberty, due to the rise in hormone levels, there will be the development of secondary sexual characteristics, the earliest will be the development of breasts, and then the development of the reproductive organs, the leukorrhea is the secretion of the female vagina, and the development of the ovaries begins at puberty, the leukorrhea also appears, so it’s normal to say that 9 year old breasts develop with the leukorrhea.
Women will have menstruation during puberty, and should pay attention to the hygiene of menstruation, avoid cold and strenuous exercise, in addition, due to the rapid development of puberty, can be appropriate supplementation, to promote the development of the body. If the leukorrhea is too much, and the odor is abnormal, should be promptly examined and receive treatment.