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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 ...
Age provides only a rough marker of adolescence, and scholars have not agreed upon a precise definition. Some definitions start as early as 10 and end as late as 30. [6] [7] [8] The World Health Organization definition officially designates adolescence as the phase of life from ages 10 to 19. [9]
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.
The World Health Organization (WHO) is a specialized agency of the United Nations responsible for global public health. [2] It is headquartered in Geneva, Switzerland, and has six regional offices [3] and 150 field offices worldwide. Only sovereign states are eligible to join, and it is the largest intergovernmental health organization at the ...
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] It has been defined as ages 10 to 24 years old by the World Happiness Report WHR. [1]
Adolescent medicine, also known as adolescent and young adult medicine, is a medical subspecialty that focuses on care of patients who are in the adolescent period of development. This period begins at puberty and lasts until growth has stopped, [ 1 ] [ 2 ] at which time adulthood begins.
This age bracket reflects the influence on Brazilian law of international organizations like the World Health Organization (WHO). It is also shaped by the notion of adolescence that has entered everyday life in Brazil through a discourse on children's rights. [19] The OECD defines youth as "those between 15 and 29 years of age". [20] [21]
According to the World Health Organization, malnutrition is the biggest contributor to child mortality, present in half of all cases. [194] Six million children die of hunger every year. [195] Underweight births and intrauterine growth restrictions cause 2.2 million child deaths a year. Poor or non-existent breastfeeding causes another 1.4 million.