Can a doctor find if someone is a virgin just by looking at the vaginal wall?

Hello,

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What you see in the image (attachment removed to protect patient's identity) is an intact hymen. The black or dark circle is a hymenal opening through which the menstrual blood flows or the tampon is inserted. The hymen is a layer of mucosa (skin lining), a remnant of the developing reproductive tract when the fetus is in the growing stage. It acts as a barrier. The hymen is usually broken or torn on initiation of intercourse hence considered a sign of virginity. But hymen can be broken by various day-to-day activities like a fall from the bike, sports injuries, horse riding, masturbation. Some women are born without hymen.

I hope this helps.