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ATI MATERNAL NEWBORN PROCTORED 2019 FINAL EXAM REVIEW

ATI MATERNAL NEWBORN PROCTORED 2019 FINAL EXAM REVIEW

Amniotic fluid
• Consists of 800 to 1200 mL by the end of pregnancy
• Surrounds, cushions, and protects the fetus and allows for fetal movement
• Maintains the body temperature of the fetus
• Contains fetal urine and is a measure of fetal kidney function
• The fetus modifies the amniotic fluid through the processes of swallowing, urinating, and movement of fluid through the respiratory tract.
Placenta
• The placenta provides for exchange of nutrients and waste products between the fetus and mother.
• The placenta begins to form at implantation; the structure is complete by week 12.
• It produces hormones to maintain pregnancy and assumes full responsibility for the production of these hormones by the 12th week of gestation.
• In the third trimester, transfer of maternal immunoglobulin provides the fetus with passive immunity to certain diseases for the first few months after birth.
• By week 10 to 12, genetic testing can be done via chorionic villus sampling (CVS).