birth (berth)

1. Passage of the offspring from the uterus to the outside world; the act of being born. 2. Specifically, in the human, complete expulsion or extraction from its mother of a fetus, irrespective of gestational age, and regardless of whether or not the umbilical cord has been cut or whether or not the placenta is attached.
b. certificate official, legal document recording details of a live b., usually comprising name, date, place, identity of parents, and sometimes additional information such as b. weight.
cross b. obsolete term for:obsolete term for transverse lie; transverse presentation.
premature b. b. of an infant after viability has been achieved with gestation of at least 20 weeks or birth weight of at least 500 gr, but before 37 weeks.


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