What are the changes seen in girls at the time of puberty?

Following are the changes seen in girls at the time of puberty:

 In genital area, hair growth appears.

 Hair growth in other areas like underarms, face, hands and legs

.  The size of uterus and ovary increases.

 The size of the breast increases followed by darkening of the nipple skin that are present at the tip of the breast.

 Beginning of menstrual cycle.

 Appearance of pimples, as the oil secretion is more from the skin.