She claims they were taught nothing about reproduction, and in the next sentence says they were shown a graphic film of a childbirth.
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Also, she says she was in a same-sex convent school, yet the film was shown to a mixed audience of students.
Her lying and her degrading motherhood make her sound like a typical Hollywood type, but as another commented, thank goodness she did not have any children.
She was born in 1945, and I really doubt that the Catholic schools of the 50s and early 60s would have shown such a film. And, as you say, it was an all-girls school, yet she claims the film was shown to a mixed audience. Also, according to Wikipedia, she had some difficulty remembering her actual birth name, giving a different name in her biography.