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Podcast
Podcast
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Questions and Answers
Questions and Answers
What is the expected duration of a normal pregnancy in days post-fertilization?
What is the expected duration of a normal pregnancy in days post-fertilization?
- 294 days
- 300 days
- 266 days (correct)
- 280 days
When is a baby considered premature?
When is a baby considered premature?
- Before 37 weeks (correct)
- Before 30 weeks
- Before 42 weeks
- Before 40 weeks
Where does fertilization normally take place?
Where does fertilization normally take place?
- In the cervix
- In the uterus
- In the fallopian tube (correct)
- In the ovary
What is the significance of an ectopic pregnancy?
What is the significance of an ectopic pregnancy?
What are the names and time frames for the three developmental periods?
What are the names and time frames for the three developmental periods?
What male and female structures meet to start the process of fertilization?
What male and female structures meet to start the process of fertilization?
What are the key events that take place during weeks 1 and 2 of development?
What are the key events that take place during weeks 1 and 2 of development?
What is the morphological appearance and events taking place as the zygote travels down the uterine tube?
What is the morphological appearance and events taking place as the zygote travels down the uterine tube?
What is the term for the formation of lacuna spaces and the start of placental development?
What is the term for the formation of lacuna spaces and the start of placental development?
What is the term for the process of recognizing the terminology used in embryology?
What is the term for the process of recognizing the terminology used in embryology?
At what point is pregnancy considered premature?
At what point is pregnancy considered premature?
Where does implantation of the blastocyst occur?
Where does implantation of the blastocyst occur?
What is the main cause of maternal death during the first trimester?
What is the main cause of maternal death during the first trimester?
When does pregnancy become overdue or post-term?
When does pregnancy become overdue or post-term?
What is the duration of the menstrual cycle considered to be?
What is the duration of the menstrual cycle considered to be?
What is the term for when the fertilized egg grows outside the uterus?
What is the term for when the fertilized egg grows outside the uterus?
How long does pregnancy last from fertilization?
How long does pregnancy last from fertilization?
What marks the beginning of pregnancy?
What marks the beginning of pregnancy?
How is a woman's due date calculated?
How is a woman's due date calculated?
What is the first warning sign of an ectopic pregnancy?
What is the first warning sign of an ectopic pregnancy?
What is the treatment for an early ectopic pregnancy without unstable bleeding?
What is the treatment for an early ectopic pregnancy without unstable bleeding?
What is the function of the amnion?
What is the function of the amnion?
What is the result of the syncytiotrophoblast penetrating deep into the uterine wall?
What is the result of the syncytiotrophoblast penetrating deep into the uterine wall?
When does implantation become complete?
When does implantation become complete?
What is the function of the hypoblast in the bilaminar germ disc?
What is the function of the hypoblast in the bilaminar germ disc?
What is the role of the cytotrophoblast in uteroplacental circulation?
What is the role of the cytotrophoblast in uteroplacental circulation?
What is the function of the fibrin plug in the uterine endometrium?
What is the function of the fibrin plug in the uterine endometrium?
What is the role of the extraembryonic mesoderm in the chorionic cavity?
What is the role of the extraembryonic mesoderm in the chorionic cavity?
What is the significance of the prechordal/oropharyngeal plate?
What is the significance of the prechordal/oropharyngeal plate?
Questions and Answers
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Flashcards
Flashcards
Normal pregnancy duration (days)
Normal pregnancy duration (days)
266 days post-fertilization
Premature birth
Premature birth
Birth before 37 weeks gestation
Fertilization site
Fertilization site
Fallopian tube
Ectopic pregnancy
Ectopic pregnancy
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Germinal period
Germinal period
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Embryonic period
Embryonic period
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Fetal period
Fetal period
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Fertilization
Fertilization
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Cleavage
Cleavage
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Blastocyst formation
Blastocyst formation
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Morula
Morula
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Trophoblast proliferation
Trophoblast proliferation
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Implantation
Implantation
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Implantation site
Implantation site
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Maternal death cause (early)
Maternal death cause (early)
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Post-term pregnancy
Post-term pregnancy
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Menstrual cycle length
Menstrual cycle length
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Due date calculation
Due date calculation
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Early ectopic warning
Early ectopic warning
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Ectopic treatment
Ectopic treatment
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Flashcards
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Study Notes
Study Notes
Embryology and Pregnancy Development Summary
- Embryology is the study of development from fertilization to birth
- Pregnancy lasts about 266 days or 38 weeks from fertilization
- Prematurity is defined as birth before 37 weeks from the last menstrual period
- Overdue or post-term occurs when the baby has not been born by 40 weeks from the last menstrual period
- Pregnancy is divided into germinal, embryonic, and fetal periods
- Pregnancy begins with fertilization of the egg by the sperm, forming a zygote
- Cleavage of the zygote leads to the formation of a blastocyst
- Implantation of the blastocyst occurs on the posterior superior wall of the uterus
- Ectopic pregnancy, occurring in about 2% of all pregnancies, is when the fertilized egg grows outside the uterus
- Ectopic pregnancy is the main cause of maternal death during the first trimester
- The menstrual cycle is considered to be 28 days in duration, with ovulation occurring around day 14
- A woman's due date is calculated as 280 days (40 weeks) from the onset of the last menstrual period
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