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For other uses, see Birth (disambiguation).
Birth is the process in animals by which an offspring is expelled from the body of its mother. Different forms of birth are ovipary, vivipary or ovovivipary.
In humans, the unborn offspring is called a fetus after its embryonary stage.
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Medical meanings
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Birth defect is a physical or mental abnormality present at the time of birth.
Multiple birth is the birth of two (twins), three (triplets), four (quadruplets), etc., babies resulting from a single pregnancy.
The birth canal is the term used for the vagina during birth, as it is the route through which the infant passes during a vaginal birth.
Infertility treatments are devices, medications, or behavior patterns to increase the probability of pregnancy.
Birth pangs are the pains felt by the mother during labour, resulting from contractions of the uterus and pressure on nerves and organs.
Premature birth is the birth of an infant before the full term of pregnancy.
Stillbirth is the birth of a dead fetus or an infant.
Birth trauma is a theory in some branches of psychology and alternative medicine that the baby experiences extreme pain during the birthing process and that this pain influences the child later in life.
Lotus Birth is the practice of leaving the umbilical cord uncut after birth so that the baby is left attached to its placenta until the cord naturally separates
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Legal meanings
Birthday is a day to celebrate that the person has lived a certain number of years. It is an annual event based either on the anniversary of a person's date of birth, or on astrological birthtime calculations.
A nuclear family comprising the father, mother, brother or sister, is an institution where the members are related by birth.
A person is considered of illegitimate birth if he is born of parents not legally married to each other.
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Spiritual meanings
Astrology is based upon the belief that an individual's life is influenced by the geocentric positions of the Sun, Moon, and planets in the sky or below the horizon at the moment of birth; a natal chart is calculated using the exact time, date, and place of birth in order to try and interpret these cyclical influences on a person's life.
Virgin Birth is the Christian doctrine that asserts that Jesus Christ was born to a virgin, and thus that His conception was carried out without an earthly father.
Rebirth is a belief that a person is born again after death based on the karma of his previous births.
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Metaphorical meanings
The term birth is used metaphorically to refer to a beginning, especially of a natural phenomenon, one that is impressive in its scope or complexity, or one that is viewed favorably.
Stellar evolution is the field of study that deals with the birth of stars and their lifecycles.
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See also
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