1. Breast Development: Girls typically start to develop breasts between 8-13 years old. The breasts may feel tender and become larger.
2. Pubic and Underarm Hair: Pubic hair begins to grow around the genitals, and underarm hair may also appear.
3. Menstruation: Menstruation, also known as getting a period, begins when the uterus lining sheds and is released from the body through the vagina. Menstrual cycles typically occur every 21-35 days.
4. Changes in Body Shape: The pelvis gets wider, while the waist becomes more defined. Hips and thighs may become broader.
5. Growth Spurt: Girls usually experience a growth spurt between 10-14 years old, often growing taller than boys during this time.
6. Ovaries Activation: The ovaries start to release mature eggs, which can be fertilized by sperm during sexual intercourse.
7. Voice Changes: The vocal cords lengthen, leading to a deeper voice.
8. Skin Changes: Changes in hormone levels can lead to oilier skin, acne, and increased perspiration.
9. Emotional Changes: Emotional fluctuations and mood swings are common due to hormonal changes. Girls may experience increased sensitivity, anxiety, and tearfulness.
10. Psychological Development: Girls develop a sense of self, explore their identity, and start forming romantic and social relationships.