Gynaecology & Obstetrics Precocious puberty is defined as all of following except A Onset of menstruation before age of 10 years. B Appearance of breast budding before age of 8 years in females. C Menstruation before age of 8 years. D Puberty occuring before 9 years in male. 💡 Explanation Precocious puberty is defined as all of following except ✓ Correct Answer: C. Menstruation before age of 8 years.