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What is the placenta barrier?

What is the placenta barrier?. Placenta is an organ connecting fetus to wall of uterus 1 st trimester Allows exchange of nutrients, gas uptake, and waste elimination Prevents the passage of some materials between maternal and fetal blood. F unction in terms of alcohol ingested by the mother.

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What is the placenta barrier?

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  1. What is the placenta barrier? • Placenta is an organ connecting fetus to wall of uterus • 1st trimester • Allows exchange of nutrients, gas uptake, and waste elimination • Prevents the passage of some materials between maternal and fetal blood

  2. Function in terms ofalcohol ingested by the mother • Substances with molecular weight less than 500 pass easily through placenta • Alcohol has MW of 56 • Every time pregnant mother drinks, it goes to fetus

  3. Sources • Sachdeva P, Patel BG, Patel BK. Drug use in pregnancy: A point to ponder. Indian J Pharm Sci.2009;71:1–7 • Poughet al. 1992. Herpetology: Third Edition. Pearson Prentice Hall:Pearson Education, Inc., 2002.

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