Although it is widely believed thatthe start of the menstruation is the beginning of the puberty in females, itactually begins much earlier. There is no specific age when the puberty startssince it depends on many factors, such as genetics, environment and ethnicity, as well as nutrition and other social factors. Therefore, the actual femalepuberty age is not the same for every girl. However, it is considered that the averageage at which puberty begins in females is between eight and fourteen years.
In females, the puberty begins oncethe pituitary gland starts to produce the hormone FSH, which has the role tostimulate the ovaries to secrete the hormone estrogen. This hormone along with progesteroneis the most important hormone in the female body, since it regulates thedevelopment of female sex characteristics and development of the sex organs. Inthe beginning of the puberty, the changes usually happen within the body. Overa time, the changes become visible externally also.
Stages of female puberty
There are five stages in female puberty.The first stage in the female pubertybegins at the age of 8 or 9 and finishes when a girl reaches 12 or 13 years. Inthe beginning, the changes are internal and at 11 or 12 years, the breasts startto develop. Since the breasts are not fully developed, they are called breastbuds. The areolas around the nipples become darker and pubic hair starts togrow in this stage. The girls also start to gain in weight and height in thisphase of puberty.When the girls turn 12 or 13 yearsof age, the second stage of the female puberty begins. The main symptom of thisstage is the thicker growth of pubic hair. The hair starts to appear in thearmpits and the arms and legs are covered with darker and ticker hair. Thevagina increases also in this stage.The third stage of the female puberty iswhen the girls reach 13 or 14 years of age and when the first menstruation occurs.In this stage, ovulation may start although it takes time to become regular.In the fourth stage of the femalepuberty, the nipples and the areolas begin to protrude, while the hair everywherebecomes dense. The hair now starts to grow in the inner thighs.The fifth stage of the female puberty isbetween 15 and 17 years of age. In this stage, the female body is fully mature. Inthis period, the height of girls becomes stagnant, the breasts are formed andthe menstruation and ovulation become regular. In this stage, the girlsusually have to cope with acne, which occurs due to the hormones estrogen and progesterone.