Minimal or no enlargement. Support Center Support Center. Puberty and pubertal growth in healthy Turkish girls: No evidence for secular trend. Long downy hair, often appearing several months after testicular growth; variable pattern noted with pubarche. Sexual maturation and psychiatric morbidity among persons with sickle cell anaemia in a Nigerian teaching hospital. Increase in amount and pigmentation of hair. This makes sense because the testes are where most of the androgens come from.