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Fetal death, fetal demise [1] Ultrasound is often used to diagnose stillbirth and medical conditions that raise the risk. Specialty: Obstetrics and Gynaecology, neonatology, pediatrics, Symptoms: Fetal death at or after 20 / 28 weeks of pregnancy [1] [2]: Overview tab Causes: Often unknown, pregnancy complications [1] [3] Risk factors
A miscarriage, or spontaneous abortion, is defined as a "natural pregnancy loss before 20 weeks of gestation." [6] According to The American College of Obstetricians and Gynecologists (ACOG), miscarriage is the most frequent type of pregnancy loss. [7]
[13] [14] Once ultrasound or histological evidence shows that a pregnancy has existed, the term used is clinical miscarriage, which can be "early" (before 12 weeks) or "late" (between 12 and 21 weeks). [13] Spontaneous fetal termination after 20 weeks of gestation is known as a stillbirth. [15] The term miscarriage is sometimes used to refer to ...
Death of an embryo or fetus during the first trimester. This can happen by implantation failure, miscarriage, embryo resorption, early fetal resorption or vanishing twin syndrome. [1] Death of an embryo or fetus before 20 weeks gestation, as in all pregnancy loss before it becomes considered stillbirth.
Fetal mortality refers to stillbirths or fetal death. [9] It encompasses any death of a fetus after 20 weeks of gestation or 500 gm. In some definitions of the PNM early fetal mortality (week 20–27 gestation) is not included, and the PNM may only include late fetal death and neonatal death.
Multiple pregnancy [10] Maternal age: pregnant women who are younger than 20 or older than 35 are at greater risk; Risk factors for placental abruption include disease, trauma, history, anatomy, and exposure to substances. The risk of placental abruption increases sixfold after severe maternal trauma.
Women’s health expert Dr. Jennifer Wider tells Yahoo Life that “weeks 5 to 9 is the early time period in a pregnancy. At 5 weeks, the embryo is a mass of cells with a developing neural tube ...
Normally the maternal circulation and the fetal circulation are kept from direct contact with each other, with gas and nutrient exchange taking place across a membrane in the placenta made of two layers, the syncytiotrophoblast and the cytotrophoblast. Fetal-maternal haemorrhage occurs when this membrane ceases to function as a barrier and ...