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Placenta praevia; Other names: Placenta previa: Diagram showing a placenta previa (Grade IV) Specialty: Obstetrics: Symptoms: Bright red vaginal bleeding without pain [1] Complications: Mother: Bleeding after delivery [2] Baby: Fetal growth restriction [1] Usual onset: Second half of pregnancy [1] Risk factors
Velamentous Placenta: Normal umbilical cord insertion and velamentous umbilical cord insertion in pregnancy, with and without vasa previa. Specialty: Obstetrics Symptoms: Blood vessel compression, [1] [2] decrease in blood supply to the fetus, [2] [3] impaired growth and development of the fetus. [4] [5] Risk factors
Risks of antepartum bleeding due to vasa praevia greatly increase during the third trimester of pregnancy during cervical dilation or placenta praevia. Vessel rupture is very likely in the event of a membranous rupture as foetal blood vessels aren't protected by the umbilical cord of the placenta.
Placenta previa is a condition that occurs when the placenta fully or partially covers the cervix. [13] Placenta previa can be further categorized into complete previa, partial previa, marginal previa, and low-lying placenta, depending on the degree to which the placenta covers the internal cervical os.
Associative prevention mechanisms can be a method of minimising the risk of developing the disease, within early stages of pregnancy. Placental syndromes include pregnancy loss, fetal growth restriction, preeclampsia, preterm delivery, premature rupture of membranes, placental abruption and intrauterine fetal demise.
Symptoms: Postpartum bleeding, abdominal pain, mass in the vagina, low blood pressure [1] Types: First, second, third, fourth degree [1] Risk factors: Pulling on the umbilical cord or pushing on the top of the uterus before the placenta has detached, uterine atony, placenta previa, connective tissue disorders [1] Diagnostic method
Improving nutrition of female, both before and during pregnancy, is important for reducing the risk of obstructive labor. [11] Creating education programs about reproduction and increasing access to reproductive services such as contraception and family planning in developing areas can also reduce the prevalence of obstructed labor.
Intrauterine hypoxia can be attributed to maternal, placental, or fetal conditions. [12] Kingdom and Kaufmann classifies three categories for the origin of fetal hypoxia: 1) pre-placental (both mother and fetus are hypoxic), 2) utero-placental (mother is normal but placenta and fetus is hypoxic), 3) post-placental (only fetus is hypoxic).