 [ Symptoms ] why is that my 10 year daughter is developing breast and only one of them is coming in the other one is still flat [ Disease ] hi playing around and not being protected during foreplay or sex there will always be the chance of getting pregnant if there was masturbation before playing around then the chance would be even greater as sperm would be in the penis you really need to be careful when playing with sex always think safe sex as safe sex is best hope this helps you good luck