Abesifazane abasebenzisa imikhiqizo edayi yezinwele unomphela ukuze bafake imibala yezinwele zabo ekhaya ababi sengozini enkulu yomdlavuza noma ukufa okukhulu okuhlobene nomdlavuza.Yize lokhu kufanele kunikeze isiqinisekiso esijwayelekile kubasebenzisi bodayi bezinwele unomphela, abacwaningi bathi bathole ukwanda okuncane kwengozi yomdlavuza we-ovarian kanye neminye yomdlavuza webele nesikhumba.Umbala wezinwele zemvelo nawo watholakala ukuthi unomthelela emathubeni athile omdlavuza.

Ukusetshenziswa kodayi wezinwele kuthandwa kakhulu, ikakhulukazi phakathi kwamaqembu asebekhulile azimisele ukuvala izimpawu zokumpunga.Isibonelo, kulinganiselwa ukuthi isetshenziswa ngamaphesenti angama-50-80 abesifazane kanye ne-10% yamadoda aneminyaka engu-40 nangaphezulu e-United States naseYurophu.Odayi bezinwele abanolaka kakhulu yizinhlobo ezihlala njalo futhi lezi zibalela cishe ama-80% odayi bezinwele abasetshenziswa e-US naseYurophu, kanye nengxenye enkulu nakakhulu e-Asia.

Ukuze baqonde kangcono ingozi yomdlavuza ngokusebenzisa udayi wezinwele zomuntu siqu, abacwaningi bahlaziye idatha yabesifazane abayizi-117,200.Laba besifazane babengenawo umdlavuza ekuqaleni kocwaningo kanti balandelwe iminyaka engu-36.Imiphumela ayizange ibonise ingozi eyengeziwe yomdlavuza noma ukufa komdlavuza kwabesifazane ababike ukuthi bake basebenzisa odayi bezinwele unomphela uma kuqhathaniswa nalabo abangakaze basebenzise odayi abanjalo.