Another alternative method couples turn to is in vitro fertilization (IVF).
Ku ni timhaka tin'wana ta nkoka swinene leti khumbaka mahanyelo lamanene leti mimpatswa yi langutanaka na tona loko yi hlawula endlelo leri vuriwaka ku hlanganisiwa ka tandza ni mbewu ya vununa elaboratori leswaku swi ta nonisiwa (in vitro fertilization [IVF]).