There are many risk factors for uterine atony and several are due to the type of labor a mother experiences such as prolonged labor, labor lasting less than 3 hours, uterine inversion, the use of magnesium sulfate infusions, and extended use of oxytocin. Uterine distention<unk> d by things like more than one fetus present, polyhydramnios, fetal macrosomia, uterine fibroids, chorioamnionitis can also lead to decreased uterine function and atony. Retained placental tissue or placental disorders, such as an adherent placenta, placenta previa, and abruption placentae increase the mother's risk of PPH. Body mass index (BMI) above 40 and coagulopathies are known risk factors. Magnesium sulfate is used often in patients with preeclampsia and eclampsia, can inadvertently inhibit uterine contractions. In addition, preeclampsia can lead to blood disorders such as thrombocytopenia, platelet abnormalities, and disseminated intravascular coagulation. Cesarean delivery, especially after prolonged labor, may<unk>  the muscles of the uterus to become tired and stop contracting or contraction can be inhibited at the surgical site.
medical cause of Postpartum bleeding
medical cause of Abnormal uterine bleeding
symptom of Postpartum infections
symptom of Postpartum bleeding
complications of Heavy menstrual bleeding
complications of Abnormal uterine bleeding
complications of Mastitis
symptom of Eclampsia