Abasetyhini abasebenzisa iimveliso zedayi yeenwele ezisisigxina ukwenza imibala yeenwele zabo ekhaya abafumani mngcipheko mkhulu womhlaza okanye ukufa okunxulumene nomhlaza.Ngelixa oku kufuneka kunikeze isiqinisekiso esiqhelekileyo kubasebenzisi beedayi zeenwele ezisisigxina, abaphandi bathi bafumene ukonyuka okuncinci kumngcipheko womhlaza we-ovari kunye nomhlaza webele kunye nolusu.Umbala weenwele zendalo waphinda wafunyaniswa ukuba unefuthe kumathuba eminye imihlaza.

Ukusetyenziswa kwedayi yeenwele kuthandwa kakhulu, ngakumbi phakathi kwamaqela amadala afuna ukufihla iimpawu zengwevu.Ngokomzekelo, kuqikelelwa ukuba isetyenziswe yi-50-80% yabasetyhini kunye ne-10% yamadoda aneminyaka eyi-40 nangaphezulu e-United States naseYurophu.Ezona dayi zeenwele zindlongondlongo ziintlobo ezisisigxina kwaye ezi ngxelo malunga ne-80% yedayi zeenwele ezisetyenziswa e-US naseYurophu, kunye nenxalenye enkulu ngakumbi e-Asiya.

Ukufumana ukuqonda okungcono komngcipheko womhlaza ekusebenziseni idayi yeenwele zomntu, abaphandi bahlalutya idatha kubasetyhini abangama-117,200.Aba basetyhini babengenawo umhlaza ekuqaleni kophononongo kwaye balandelwa iminyaka engama-36.Iziphumo zabonisa ukuba akukho mngcipheko wonyukayo womhlaza okanye ukufa komhlaza kwabasetyhini abakhe basebenzisa idayi yeenwele ngokusisigxina xa kuthelekiswa nabo bangazange basebenzise idayi enjalo.