What infertility method "works" for Kate to get a child from the movie Baby Mama?

Kate tries to achieve pregnancy through both artificial insemination and in vitro fertilization. 

Kate tries to achieve pregnancy through both artificial insemination and in vitro fertilization. Unfortunately, nothing worked for Kate to get a child before, but after.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.