Super pregnant women are a growing concern in Japan, and their symptoms are getting worse.
One woman has reportedly died and more than 100 have been diagnosed with the illness.
The number of super pregnant people in Japan has soared in recent years.
Some experts say they are becoming more numerous, and more contagious, with a number of new cases reported each day.
The World Health Organization estimates that there are more than 400,000 super pregnant patients in Japan.