Amenorrhoea is a symptom with many potential causes. Primary amenorrhoea (menstrual cycles never starting) may be caused by developmental problems such as the congenital absence of the uterus, failure of the ovary to receive or maintain egg cells. Also, delay in pubertal development will lead to primary amenorrhoea.
Diseases transmitted by mosquitoes include: malaria, dengue, West Nile virus, chikungunya, yellow fever, filariasis, Japanese encephalitis, Saint Louis encephalitis, Western equine encephalitis, Eastern equine encephalitis, Venezuelan equine encephalitis, La Crosse encephalitis and Zika fever.
1 Diseases that can be Transmitted by Mosquitoes. 2  Most mosquito bites do not result in disease, but it is a good idea to recognize and watch for the early symptoms of some of the more commonly encountered mosquito-transmitted diseases.3  Preventing Mosquito-Transmitted Disease. Diseases that can be Transmitted by Mosquitoes. 2  Most mosquito bites do not result in disease, but it is a good idea to recognize and watch for the early symptoms of some of the more commonly encountered mosquito-transmitted diseases. 3  Preventing Mosquito-Transmitted Disease.