All are true about precocious puberty except –
Correct Answer: Secondary sexual characters before the age of 6 years
Description: Ans. is 'b' i.e., Secondary sexual characters before the age of 6 years o Precocious puberty is the appearance of appropriate secondary sexual characters before the age of 8 years and occurrence of menstruation before 10 years of chronological age.o It is divided into the following types:A) Gonadotropin dependent precocious puberty/ Central precocious puberty / True precocious puberty:# Most common cause is constitutional, due to early maturation and activation of the hypothalamic - pituitary - gonadal axis.# Both breast and pubic hair development in girls# Pubic hair development and testicular enlargement in boys# Early developing sexual characteristics are "isosexual", meaning they are consistent with the child's gender.# Initial spurt in the height followed by premature closure of epiphysis with the result the ultimate height remains stunted.B) Gonadotropin - independent precocious puberty/ Peripheral precocious puberty/Pseudo - precocious puberty:# Exposure to sex steroid hormones that derive from the gonads, the adrenals or the environment.# Further subclassified as isosexual when sexual characters are consistent with gender, and as contrasexual when inconsistent with gender (virilization in girls, or feminization in boys).# Autonomous functional ovarian follicular cysts are the most common cause of gonadotropin - independent precocious puberty in girls.C) Incomplete precocious puberty':# Children with isolated premature thelarche or premature adrenarche. Both usually represent variants of normal pubertal development, but some will progress to complete precocious puberty that may be gonadotropin - dependent or independent.
Category:
Gynaecology & Obstetrics
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now