Search results
Results from the WOW.Com Content Network
The major landmark of puberty for males is spermarche, the first ejaculation, which occurs, on average, at age 13. [22] For females, it is menarche, the onset of menstruation, which occurs, on average, between ages 12 and 13. [12] [23] [24] [25] The age of menarche is influenced by heredity, but a girl's diet and lifestyle contribute as well. [12]
Middle childhood/preadolescence or ages 6–12 universally mark a distinctive period between major developmental transition points. [2] Adolescence is the stage of life that typically starts around the major onset of puberty, with markers such as menarche and spermarche, typically occurring at 12–14 years of age. [3]
This article discusses the most widely accepted developmental stages in children. There exists a wide variation in terms of what is considered "normal", caused by variations in genetic, cognitive, physical, family, cultural, nutritional, educational, and environmental factors.
According to Erik Erikson, the major developmental task in infancy is to learn whether or not other people, especially primary caregivers, regularly satisfy basic needs. If caregivers are consistent sources of food, comfort, and affection, an infant learns trust — that others are dependable and reliable.
The major problem is building a strong sense of identity in the face of society standards, peer pressure, and personal preferences. Adolescents participate in identity exploration, commitment, and synthesis, actively seeking out new experiences, embracing ideals and aspirations, and merging their changing sense of self into a coherent identity.
The development of the human mind is complex and a debated subject, and may take place in a continuous or discontinuous fashion. [4] Continuous development, like the height of a child, is measurable and quantitative, while discontinuous development is qualitative, like hair or skin color, where those traits fall only under a few specific phenotypes. [5]
The definition of teenage pregnancy includes those who are legally considered adults in their country. [2] The World Health Organization defines adolescence as the period between the ages of 10 and 19 years. [6] Pregnancy can occur with sexual intercourse after the start of ovulation, which can happen before the first menstrual period (menarche ...
Adolescent health, or youth health, is the range of approaches to preventing, detecting or treating young people's health and well-being. [1] The term adolescent and young people are often used interchangeably, as are the terms Adolescent Health [2] and Youth Health. Young people's health is often complex and requires a comprehensive ...