The Development of the Placenta
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Questions and Answers

What is hydatidiform mole?

  • A condition where the embryo develops outside the uterus
  • A condition where the trophoblast develops abnormally, leading to multiple embryos
  • A condition where the placenta is implanted too low in the uterus, causing bleeding
  • A condition where the trophoblast develops and forms placental membranes without embryonic tissue (correct)
  • When can hG be detected and what is it used for?

  • It can be detected at the end of the 1st week and is used for pregnancy testing
  • It can be detected at the end of the 2nd week and is used for pregnancy testing (correct)
  • It can be detected at the end of the 3rd week and is used for fetal development monitoring
  • It can be detected at the end of the 4th week and is used for predicting the gender of the baby
  • What is placenta previa and what are its consequences?

  • It is a condition where the embryo develops outside the uterus, causing life-threatening bleeding
  • It is a condition where the trophoblast develops abnormally, leading to multiple embryos
  • It is a condition where the embryo fails to implant, leading to miscarriage
  • It is a condition where the placenta is implanted too low in the uterus, causing bleeding (correct)
  • Study Notes

    • Days 9-10: formation of multinucleated trophoblastic mass, extroembryonic mesoderm, connection stalk, filling of lacunar spaces with maternal blood.
    • Day 13-14: continued development.
    • Abnormal implantation can cause placenta previa and life-threatening bleeding.
    • Ectopic pregnancy occurs when implantation happens outside the uterus, typically in the uterine tube.
    • Hydatidiform mole is a condition where the trophoblast develops and forms placental membranes without embryonic tissue.
    • hG can be detected at the end of the 2nd week and is used for pregnancy testing.
    • Most ectopic pregnancies occur in the uterine tube, with the embryo typically dying around the 2nd month of gestation.
    • Placenta previa can cause severe bleeding in the 2nd part of pregnancy.
    • Hydatidiform mole involves abnormal development of the trophoblast.
    • Continued development occurs throughout the described period.

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    Description

    Test your knowledge of early pregnancy development with this quiz! From the formation of multinucleated trophoblastic masses to the detection of hG for pregnancy testing, this quiz covers important milestones and potential complications. Learn about abnormal implantation, ectopic pregnancy, placenta previa, and hydatidiform mole. See if you can identify key terms and concepts related to early pregnancy development.

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