Association of Fraser’s syndrome and Congenital high airway obstruction syndrome (CHAOS) : case report Kamal El Moussaoui&1 , Amina Lakhdar1, Aziz baidada11 Department of Gynecology and Obstetrics, Maternity Souissi, University Hospital Center Ibn Sina, University Mohammed V, Rabat, Morocco& Corresponding author :DR. Kamal El MoussaouiDepartment of Gynecology and Obstetrics, Maternity Souissi, University Hospital Center Ibn Sina, University Mohammed V, Rabat, MoroccoPostal Adresse : immeuble 20 , n1, mahaj ryad , hay ryad , rabat –MoroccoE-mail address :[email protected]