A diaphragm is a soft circular silicone dome that a woman inserts into her vagina as a barrier method of contraception. Diaphragms work by covering the opening to the uterus and stopping sperm from entering.
diaphragm
Hiccups: why do we hiccup?
Sometimes hiccups can be a sign of an underlying disease. For hiccups that have gone on for 2 days or longer, or are recurrent, see your doctor.