In post #180 you said "the Presentation of Mary at the temple took place when she was three years old
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Her parents, St. Anne and St. Joachim were the ones who presented her at the temple at the age of three for learning along with the males. (Imagine that in today’s society!)
When she became of age she did choose to be a dedicated virgin. A lot of this is cooroborated in the letters of the Early Church Fathers.