Gwen Walz shares fertility treatment she and her husband used to have children The HillTim Walz’ claims about using IVF to have family aren’t exactly true Fox NewsGov. Tim Walz and wife Gwen Walz detail experience with fertility treatment, explain it wasn’t IVF MPR NewsTim Walz has described his family’s IVF experience. His wife says they used a different procedure The Associated PressWalz family clarifies they used another common infertility procedure to conceive, not IVF Star Tribune