Experts hope the findings could lead to improvements in psychological care for women who have experienced a miscarriage.
After a second ectopic pregnancy, Sophie had to have her second fallopian tube removed.
The 38-year-old has three children with husband Jay-Z.
The couple were expecting their sixth child, a boy, in April.
"We hope that more couples won't have to go through what we have.”
"We are not OK right now, but we will be."