Hi Thanks for positng your query on HCM I have read and understood your concern The pain you describe during intercourse may be due irritation of the lump.I will suggest you see the Doctor to examination of the lump.Possible causes of such a vaginal lump may include: local vaginal infection, STI like syphilis, herpes or just a vaginal mass like cyst, polyp, wart... See the Doctor for examination. Hope this will help.You may write back if more concerns Best regards Dr Mbuomboh