title: Premature thelarche related to fennel tea consumption?
abstract: BACKGROUND
  Isolated premature thelarche is the breast development in the absence of other secondary sex characteristics in prepubertal girls. Fennel is a plant which contains a phytoestrogen called anethole as an active ingredient.
  
  
  METHODS
  Here, we report a case of a 12-month-old girl who showed breast development that became apparent in the last 3 months. Her medical history revealed that she was given two to three teaspoons of fennel tea by her mother every day for restlessness for the last 6 months. Isolated premature thelarche was diagnosed based on physical and laboratory findings. On follow-up, after cessation of fennel consumption, the breast development of the patient regressed gradually and became normal by the end of 1 year.
  
  
  CONCLUSIONS
  Reporting this case, we want to emphasize the importance of awareness of fennel tea, a commonly used plant in babies, as a preventable cause of premature thelarche.
authors.forename: Deniz
authors.initials: D
authors.lastname: Okdemir
authors.forename: Nihal
authors.initials: N
authors.lastname: Hatipoglu
authors.forename: Selim
authors.initials: S
authors.lastname: Kurtoglu
authors.forename: Leyla
authors.initials: L
authors.lastname: Akın
authors.forename: Mustafa
authors.initials: M
authors.lastname: Kendirci
mesh_terms: D001628:Beverages; D001940:Breast / Q000254:growth & development*; D005260:Female; D030001:Foeniculum; D006801:Humans; D007223:Infant