When a girl enters puberty and begins to develop, she will experience rapid growth in height, the appearance of secondary sexual characteristics, psychological changes and other symptoms, as follows:
1. There will be rapid growth in height when girls develop. When girls are in puberty, the growth hormone secreted by the pituitary gland is vigorous, promoting the growth of bones in the limbs, resulting in height increase.
2. Girls develop secondary sexual characteristics. The areola increases in size, the nipple protrudes, the breast bulges, pubic hair appears on the vulva, the pubic mound bulges, the labia majora becomes plump, the labia minora becomes pigmented, there is menstruation, the buttocks protrude, the pelvis becomes wide, the skin is delicate, and the physique is plump.
3. Psychological changes occur when girls develop. Because of the various changes in the body, thus causing the girl’s thoughts and emotions unstable, need to timely communication and guidance.