What medicine if before sex bleeding

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What are the cause of bleeding before or after sexual intercourse?

Pelvic inflammatory disease
STDs
Atrophic vaginitis
Pregnancy
Infection
Trauma
Polyps

What are the required investigation?

Blood test
Abdominal ultrasound

What is the management?

You should consult a gynecologist for physical examination.
Do pregnancy test.
Management is treatment of the cause.
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