Why does a 9-year-old girl appear mucus in the vagina?

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Ask
Hello doctor. My little girl is 9 years old this year. I see that the baby has a little mucus in his panties. The doctor asked me what was wrong with it? Hoping to get an answer from your doctor. I would like to thank you.
Anonymous question
Answer
Hello.
In girls, signs of prepuberty usually appear starting around age 8. The first sign is usually breast tissue begins to grow, hair in the private areas begins to appear such as pubic hair, armpit hair, ..., hair is often thin, pale. This is followed by the appearance of vaginal discharge, which is usually clear and odorless, which is a normal physiological sign. During this period, you should explain to your baby about the body's changes to him.
If the vaginal discharge has an odor, or has uncomfortable itching,... then you need to take your baby to the doctor for a timely examination.
Thank you for your question to Vinmec Health System. Best regards!
BSCK I Bui Thi Ha - Pediatrician - Neonatologist - Department of Pediatrics - Neonatology - Vinmec Ha Long International General Hospital.