Welcome ! - Have a nice time watching our content.- Birth, also known as parturition, is the act or process of bearing or bringing forth offspring. In mammals, the process is initiated by hormones which cause the muscular walls of the uterus to contract, expelling the fetus at a developmental stage when it is ready to feed and breathe. In marsupials, the fetus is born at a very immature stage after a short gestational period and develops further in its mother's pouch.
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