Premature thelarche (PT) is a medical condition, characterised by isolated breast development in female infants. It occurs in females younger than 8 years, with the highest occurrence before the age of 2. PT is rare, occurring in 2.2-4.7% of females aged 0 to 2 years old.[1] The exact cause of the condition is still unknown, but it has been linked to a variety of genetic, dietary and physiological factors.[2]