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Sheehan noted that significant feature of these patients' cases was hemorrhaging, which in his experience was most commonly caused by either: placenta Previa (low placenta), uterine rupture, cervical or uterine tears, post-partum atony, or retained placenta. Simmonds' disease, however, occurs in either sex due to causes unrelated to pregnancy. [15]
According to the socioeconomic demographic in North America, black women are more likely to come from low income areas and are thus more likely to develop placenta praevia. [ 5 ] In Nova Scotia , infants born to pregnant woman who experience placenta praevia have a mortality rate 3–4 times higher than normal pregnancies.
In obstetrics, a cephalic presentation or head presentation or head-first presentation is a situation at childbirth where the fetus is in a longitudinal lie and the head enters the pelvis first; the most common form of cephalic presentation is the vertex presentation, where the occiput is the leading part (the part that first enters the birth canal). [1]
Presentation of twins in Der Rosengarten ("The Rose Garden"), a German standard medical text for midwives published in 1513. In obstetrics, the presentation of a fetus about to be born specifies which anatomical part of the fetus is leading, that is, is closest to the pelvic inlet of the birth canal.
An important risk factor for placenta accreta is placenta previa in the presence of a uterine scar. Placenta previa is an independent risk factor for placenta accreta. Additional reported risk factors for placenta accreta include maternal age and multiparity, other prior uterine surgery, prior uterine curettage, uterine irradiation, endometrial ablation, Asherman syndrome, uterine leiomyomata ...
The mum of the UK's largest family is currently 26 weeks pregnant with her 22nd child.
Risk factors include low-lying placenta, in vitro fertilization. [1] Vasa praevia occurs in about 0.6 per 1,000 pregnancies. [1] The term "vasa previa" is derived from the Latin; "vasa" means vessels and "previa" comes from "pre" meaning "before" and "via" meaning "way". In other words, vessels lie before the fetus in the birth canal and in the ...
Circumvallate placenta has also been associated with a higher incidence of complications including placental abruption, low birth weight, premature delivery, perinatal death, and fetal abnormalities. Low birth weight : Lack of proper nutrition and blood flow to the fetus during pregnancy often results in decreased weight of the baby at birth .