In an interview with "Today Parents," published on Friday, the actress who is pregnant with her second child revealed she has a rare blood disorder.
However, this won't be the first time Moore, 38, will have an unmedicated birth.
"My platelets are too low for an epidural," the "This Is Us" star said, before recalling, "It was awful. But I can do it one more time.
"I wish medication was an option -- just the idea of it being on the table is so nice," she added. "But we'll just push forth like we did last time.
While speaking to "Today Parents," Dr. Ashley Roman, who is the director of Maternal-Fetal Medicine at NYU Langone Health.
"For the mother, there is a risk of bleeding around time of delivery, whether delivery is vaginal birth or cesarean.
The risk of bleeding depends on the platelet count," she told the outlet. "There is also a risk to the fetus.