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I don't get what you mean by "reproduced internal or external". So I just give some insight about the reproduction cycle of Gorillas. Female gorillas begin to breed at about 9 years of age. The female menstruates about every 28 days and may mate in any season. Just like female human beings, femal gorillas also bear their infants for almost 9 months (pregnancy period). Female usually gives birth to a single infants (occasionally twins). A female normally produces 3 to 6 offspring in her lifetime and becoming pregnant ang giving birth on the average every four years.

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17y ago

What else can I help you with?