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Uterine distention caused 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.
This is a shortened version of the eleventh chapter of the ICD-9: Complications of Pregnancy, Childbirth, and the Puerperium.It covers ICD codes 630 to 679.The full chapter can be found on pages 355 to 378 of Volume 1, which contains all (sub)categories of the ICD-9.
[14] [5] Some possible predisposing factors to Sheehan's syndrome may include: disseminated blood coagulation (DIC), hypotension, small sella turcica size, and blood clots from a pre-existing hypercoagulable disorder. [9] Atony of the uterus is a leading cause of post-partum hemorrhage, therefore uterine atony could induce Sheehan's syndrome. [15]
The Great Dane has been found to have a lifetime risk of 42.4% in one study, [10] which has led to the Great Dane being the focus of investigations into causes and risk factors for GDV. [1] One study has found certain alleles of the DLA88 , DRB1 and TLR5 genes, which are part of the canine immune system, to predispose a dog to GDV. [ 13 ]
Risk factors include pulling on the umbilical cord or pushing on the top of the uterus before the placenta has detached. [1] Other risk factors include uterine atony, placenta previa, and connective tissue disorders. [1] Diagnosis is by seeing the inside of the uterus either in or coming out of the vagina. [2] [6]
Illustration of deformed pelvises. A deformed pelvis is a risk factor for obstructed labour: Specialty: Obstetrics: Complications: Perinatal asphyxia, uterine rupture, post-partum bleeding, postpartum infection [1] Causes: Large or abnormally positioned baby, small pelvis, problems with the birth canal [2] Risk factors
Causes of postpartum hemorrhage are uterine atony, trauma, retained placenta or placental abnormalities, and coagulopathy, commonly referred to as the "four Ts": [12] Tone: uterine atony is the inability of the uterus to contract and may lead to continuous bleeding. Retained placental tissue and infection may contribute to uterine atony.
PPD 1–2: urinary tract infections risk factors include multiple catheterization during labor, multiple vaginal examinations during labor, and untreated bacteriuria. PPD 2–3: endometritis ( the most common cause ) risk factors include emergency cesarean section, prolonged membrane rupture, prolonged labor, and multiple vaginal examinations ...