She finds out that the clinic is sterilizing its women patients who are coming in for regular check up. They also fail their initial in vitro cycles by making the fertilization medium more acidic. After 5 or 6 cycles, they let the couple have children.
The woman learns that the clinic sanitizes its female patients during regular checkups. The clinic then fails their initial in vitro cycles by increasing the acidity of the fertilization medium. Following approximately 5 to 6 cycles, the clinic permits the couple to conceive.