If coitus is performed with difficulty on an uncomfortable bed, the vitiated ''vata'' dilates the orifices of uterus and vagina. By this, vaginal opening is unclosed, painful and rough, frothy menstrual blood comes out. There is muscular protuberance in the vagina and there is associated pain in the joints and groin. This is known as ''mahayoni''. [35-37]
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If coitus is performed with difficulty on an uncomfortable bed, the vitiated [[vata]] dilates the orifices of uterus and vagina. By this, vaginal opening is unclosed, painful and rough, frothy menstrual blood comes out. There is muscular protuberance in the vagina and there is associated pain in the joints and groin. This is known as ''mahayoni''. [35-37]