Definition¹                                                                                                                                                   

>  Uterine inversion is the folding of the fundus into the uterine cavity in varying degrees

>  First degree:  The uterus is partially turned out

>  Second degree:  The fundus has passed through the cervix but not outside the vagina  

>  Third degree:  The fundus is prolapsed outside the vagina

>  Fourth degree:  The uterus, cervix and vagina are completely turned inside out and are visible  

>  Acute inversion occurs within 24 hours of birth

>  Subacute inversion occurs between 24 hours and 30 days postpartum

>  Chronic inversion occurs after 30 days postpartum and is rare

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