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Placental abruption occurs in about 1 in 200 pregnancies. [5] Along with placenta previa and uterine rupture it is one of the most common causes of vaginal bleeding in the later part of pregnancy. [6] Placental abruption is the reason for about 15% of infant deaths around the time of birth. [2] The condition was described at least as early as ...
Uterine rupture is when the muscular wall of the uterus tears during pregnancy or childbirth. [3] Symptoms, while classically including increased pain, vaginal bleeding, or a change in contractions, are not always present. [1][2] Disability or death of the mother or baby may result. [1][3] Risk factors include vaginal birth after cesarean ...
Suspected based on symptoms and examination, supported by testing the fluid or ultrasound [2] Differential diagnosis: Urinary incontinence, bacterial vaginosis [3] Treatment: Based on how far along a woman is in pregnancy and whether complications are present [2] Frequency ~8% of term pregnancies, [2] ~30% of preterm pregnancies [4]
Obstetrics. Circumvallate placenta is a rare condition affecting about 1-2% of pregnancies, in which the amnion and chorion fetal membranes essentially "double back" on the fetal side around the edges of the placenta. [1] After delivery, a circumvallate placenta has a thick ring of membranes on its fetal surface. [2]
Placental expulsion. Placental expulsion (also called afterbirth) occurs when the placenta comes out of the birth canal after childbirth. The period of time starting just after the baby is expelled until just after the placenta is expelled is called the third stage of labor. The third stage of labor can be managed actively with several standard ...
A placental disease is any disease, disorder, or pathology of the placenta. [1][2] Ischemic placental disease leads to the attachment of the placenta to the uterine wall to become under-perfused, causing uteroplacental ischemia. Where the term overarches the pathology associated with preeclampsia, placental abruptions and intrauterine growth ...
Retained placental tissue and infection may contribute to uterine atony. Uterine atony is the most common cause of postpartum hemorrhage. [14] Trauma: Injury to the birth canal which includes the uterus, cervix, vagina and the perineum which can happen even if the delivery is monitored properly. The bleeding is substantial as all these organs ...
Uterine atony is the failure of the uterus to contract adequately following delivery. Contraction of the uterine muscles during labor compresses the blood vessels and slows flow, which helps prevent hemorrhage and facilitates coagulation. Therefore, a lack of uterine muscle contraction can lead to an acute hemorrhage, as the vasculature is not ...