PRENA

Electronic light therapy masks for regulating uterine contractions; disposable light therapy mask for regulating uterine contractions; light therapy mask for suppressing a nocturnal endogenous melatonin level of a pregnant female; disposable light therapy mask for suppressing a nocturnal endogenous melatonin level of a pregnant female and a system for regulating uterine contractions primarily comprised of a light therapy mask and a control system for the mask, all the goods used for medical purposes