In many cultures a girl is considered “of child-bearing age” after her first period. The Jewish Bat-Mitzfa is the recognition of a child being responsible for their actions; a sort of ritual recognizing the age of majority. { http://en.wikipedia.org/wiki/Bar_and_Bat_Mitzvah }
So, 13 isn’t as bad as many here are making it sound.
The rupturing of sex organs however does suggest something wrong, as sexual intercourse usually brings children rather than death... the story doesn’t say anything regarding the cause of the rupture (perhaps some degenerative illness impacted the organs) or, as some have suggested, sexual mistreatment.
or she may have had a female circumcision with being sown shut to protect her virginity.
then wedding night rupture
yemenis like saudis are very inbred. their diseases are mostly genetic diseases caused by inbreeding.