Complete obstruction of the vagina can result in hematocolpos and hematometra ( where the vagina and uterus fill with menstrual blood ).
It is associated with an increased incidence of M黮lerian duct abnormalities, which are abnormalities of the development of the female reproductive tract and can be a cause of infertility, blocked menstrual flow ( hematocolpos ), increased need for Caesarean sections, or other problems.