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In immunology, passive immunity is the transfer of active humoral immunity of ready-made antibodies.Passive immunity can occur naturally, when maternal antibodies are transferred to the fetus through the placenta, and it can also be induced artificially, when high levels of antibodies specific to a pathogen or toxin (obtained from humans, horses, or other animals) are transferred to non-immune ...
An artificial uterus, sometimes referred to as an "exowomb", [13] would have to provide nutrients and oxygen to nurture a fetus, as well as dispose of waste material. The scope of an artificial uterus, or "artificial uterus system" to emphasize a broader scope, may also include the interface serving the function otherwise provided by the placenta, an amniotic tank functioning as the amniotic ...
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Over the past six years, researchers say these artificial wombs have helped brain, lung and gut development in preterm lambs and fetal pigs. FDA meeting this week on development of artificial womb ...
Single-use double-valve manual vacuum aspirator. Vacuum or suction aspiration is a procedure that uses a vacuum source to remove an embryo or fetus through the cervix.The procedure is performed to induce abortion, as a treatment for incomplete spontaneous abortion (otherwise commonly known as miscarriage) or retained fetal and placental tissue, or to obtain a sample of uterine lining ...
Location of fetus and placenta in the uterus. Lotus births are an extremely rare practice in hospitals. [3] The Royal College of Obstetricians and Gynaecologists (RCOG) has stated, "If left for a period of time after the birth, there is a risk of infection in the placenta which can consequently spread to the baby. The placenta is particularly ...
Chorioamnionitis, or intraamniotic infection, is an infection of any combination of the amniotic fluid, placenta, fetus, fetal membranes, or decidua. [13] The gold standard for diagnosing chorioamnionitis is via a gram stain, glucose level, or culture of the amniotic fluid obtained via amniocentesis. [13]
In a healthy placental microbiome, the diversity of the species and genera is extensive. [1] A change in the composition of the microbiota in the placenta is associated with excess gestational weight gain, and pre-term birth. [10] The placental microbiota varies between low birth weight infants and those infants with normal birth weights. [13]