What Causes Bad Vaginal Smell After Having Sex Post Hysterectomy?

I had a complete hysterectomy and they also removed my ovaries and cervix, why do I keep having an offensive vaginal smell even more so after sexual intercourse? I had been Put through chemical menopause 2 years prior to surgery and on hrt. Since my operation my sweats have been worse as has my moods and desire for sex completely disappeared. How can I help myself I m 37 yrs old and my husband is 30.this is making me severely depressed. I had endometriosis and hence the hysterectomy I havre 6 children, 2 normal births, 4 csections and a rupture prior to surgery also. Please give me advice many thanks