The above quote is from my dictionary about the definition for beget.
1. (old use, for example in the Bible )to become the father of a child
I don't recall ever hearing it used of a woman, but Oxford Dictionaries says "Typically of a man, sometimes of a man and a woman". Unless you are deliberately trying to impart an archaic flavour, you should not use the word at all in this literal sense. It would sound odd in modern English.
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