Talk:Kuroyuri (episode)/@comment-33293221-20170121014605/@comment-25936766-20170122010532

@Chish: Not quite. 5-ARD only affects genetic males. They have male gonads including testicles and all. Their genitalia tends to look ambiguous, leaning towards female, which leads to people thinking they are female, when in fact they are males.

There's also a tendency towards Micropenis and the urethra may attach to the phallus, "helping" the whole thing look ambiguous. However, then comes puberty, and it "turns out" the thought-female was actually a male due to the multiple changes at that stage.

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That's more or less the basic of it.