Please capitalize where necessary: the real cause for the hickup reflex is unknown, but foetuses can have the hiccups as early as at the age of two months, and therefore some researchers believe that by having the hiccups they train their sucking function.
The real cause for the hickup reflex is unknown, but foetuses can have the hiccups as early as at the age of two months, and therefore some researchers believe that by having the hiccups they train their sucking function.