“…7 Pigmented stimulated areolae and nipples are hallmarks of estrogen excess. 8 Estrogen receptor is also present in the labia minora, 9 but in the present case, the labia minora failed to grow despite exposure to excess estrogen. This finding indicates that IGF-I is essential for development of the labia minora, and it is of note that maturation of the labia minora is reported to be delayed in Laron syndrome.…”