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.
Diseases that are spread via a mosquito bite which is a blood sucking insect. Examples of such diseases are malaria, yellow fever, dengue fever and viral encephalitis. Mosquito-borne diseases such as malaria cause hundreds of thousands of deaths in poor countries with warm humid climates such as Africa. ...more Â».