Periods:

- heavy menstrual bleeding in the adolescent

- menstruation in specific populations, eg.  adolescents with a disability, the anti-coagulated adolescent

Pimples:

- polycystic ovarian syndrome in the adolescent

- other causes of androgen excess in the adolescent

Pain:

- primary dysmenorrhoea versus endometriosis in the adolescent population

Pluses and perils:

-  adolescence in the modern age.