More than 30 bacteria, viruses and parasites are known to be transmitted through sexual contact. STIs are spread predominantly by sexual contact including vaginal, anal and oral sex. Some STIs can also be transmitted from mother to child during pregnancy, childbirth and breastfeeding. A person can have STI without showing symptoms of the disease. Common symptoms of STIs include vaginal discharge, urethral discharge or burning in men, genital ulcers and abdominal pain.Visi Graceon family for a diagnosis and treatment today.