Term
Assess the clinical relevance of the skull having the largest circumference of all parts of the body at the end of the ninth month. |
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Definition
Important for its passage through the birth canal. |
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Term
Month when movement of the fetus can be felt. |
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Definition
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Term
Month face becomes human looking. |
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Definition
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Term
Month limbs reach their relative length |
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Definition
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Term
Month muscular activity begins |
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Definition
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Term
Month sex of the fetus can be determined by ultrasound |
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Definition
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Term
When does the fetus achieve 90% survival rate. |
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Definition
6.5-7 months due to dev't of respiratory system, CNS, and subcutaneous fat deposition. |
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Term
Describe the transformation of the uterine spiral arteries that results in increased maternal blood flow into the lacunar or intervillous spaces. |
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Definition
Epithelial-to endothelial transition. Vessels from small diameter, high resistance vessels to large diameter, low resistance vessels. |
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Term
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Definition
Frequently the syncytium becomes very thin, and large pieces containing several nuclei may break off and drop into the intervillous blood lakes. Signify placental hyperplasia and maturity. |
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Term
Summary of trophoblastic disorder that causes preeclampsia. |
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Definition
Related to failed or incomplete differentiation of cytotrophoblast cells, from epithelial to endothelial. Invasion of maternal blood vessels is rudimentary. |
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Term
Causes for trophoblastic disorder that causes preeclampsia. |
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Definition
Placental mosaicism (genetic defects in trophoblasts) Maternal diseases (vascular problems like diabetes) |
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Term
Clinical outcomes of trophoblastic disorder that causes preeclampsia. |
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Definition
Fetal growth retardation, fetal death, death of the mother. |
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Term
Origin of the decidual plate. |
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Definition
Decidua basalis = mother. |
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Term
Origin of the chorionic plate. |
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Definition
Chorion frondosum = fetus. |
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Term
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Definition
Maternal side of the placenta. |
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Term
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Definition
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Term
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Definition
Endothelial lining of fetal vessels --> a layer of cytotrophoblast --> a layer of synctiotrophoblast |
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Term
The consequence of a short-term interruption in oxygen delivery to the fetus. |
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Definition
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Term
Compare rates of passage across the placental barrier by viruses, drugs, and most maternal hormones. |
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Definition
Viruses, and drugs cross without difficulty. Most maternal hormones do not cross. |
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Term
Passive Immunity of the fetus. |
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Definition
Maternal IgG is transported from mother to fetus. |
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Term
Source of placental hormone production |
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Definition
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Term
Placenta-derived estrogen actions |
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Definition
Stimulate uterine growth and dev't of mammary glands. |
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Term
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Definition
Gives fetus priority on glucose from maternal blood and promotes breast dev't for milk production. |
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