Primary ovarian insufficiency (5 contents)
Primary amenorrhoea is referred to when a girl's first menstrual period does not occur until she is 16 years old.
Primary amenorrhoea is referred to when a girl's first menstrual period does not occur until she is 16 years old.
Delayed puberty in girls is evidenced by the absence of clinical signs of puberty after the age of 13 years, or the absence of the first menstrual period by the age of 15 years. In addition, the...