Podcast
Questions and Answers
During which week does the neural tube begin to develop in the embryonic period?
During which week does the neural tube begin to develop in the embryonic period?
- Week 3 (correct)
- Week 6
- Week 5
- Week 4
At which week do finger rays emerge during the embryonic period?
At which week do finger rays emerge during the embryonic period?
- Week 6 (correct)
- Week 7
- Week 5
- Week 4
When can the fetal heart beat be detected?
When can the fetal heart beat be detected?
- Week 12 (correct)
- Month 4
- Week 9
- Month 6
At what stage does the fetus's skin become covered in vernix caseosa and lanugo?
At what stage does the fetus's skin become covered in vernix caseosa and lanugo?
What percentage does blood volume increase by during pregnancy?
What percentage does blood volume increase by during pregnancy?
Which hormone prevents the corpus luteum from regressing?
Which hormone prevents the corpus luteum from regressing?
What is the main hormone secreted by the placenta around week 5 of pregnancy?
What is the main hormone secreted by the placenta around week 5 of pregnancy?
Which serious complication of pregnancy is linked to a failure of trophoblast cells to penetrate uterine blood vessels?
Which serious complication of pregnancy is linked to a failure of trophoblast cells to penetrate uterine blood vessels?
What is the occurrence rate of gestational diabetes in the US?
What is the occurrence rate of gestational diabetes in the US?
In what percentage of cases do ectopic pregnancies occur as tubal pregnancies?
In what percentage of cases do ectopic pregnancies occur as tubal pregnancies?
What are risk factors for abdominal pregnancies?
What are risk factors for abdominal pregnancies?
What is a common symptom associated with miscarriage?
What is a common symptom associated with miscarriage?
What percentage of established pregnancies result in miscarriage?
What percentage of established pregnancies result in miscarriage?
What percentage of successful full-term pregnancies involve healthy newborns?
What percentage of successful full-term pregnancies involve healthy newborns?
What is the main function of the umbilical vein?
What is the main function of the umbilical vein?
Which environmental pollutants are especially damaging during weeks 4-7 of embryo development?
Which environmental pollutants are especially damaging during weeks 4-7 of embryo development?
What is the impact of Rh incompatibility on future pregnancies?
What is the impact of Rh incompatibility on future pregnancies?
When does the nervous system begin development in a fetus?
When does the nervous system begin development in a fetus?
Which substances can cause harm to the developing fetus during embryo development?
Which substances can cause harm to the developing fetus during embryo development?
What do the umbilical arteries carry?
What do the umbilical arteries carry?
What percentage of preembryos die prior to implantation?
What percentage of preembryos die prior to implantation?
What is a potential consequence of chronic alcohol use during pregnancy?
What is a potential consequence of chronic alcohol use during pregnancy?
Which method provides information on genetic abnormalities and fetal development?
Which method provides information on genetic abnormalities and fetal development?
What are implicated in fetal death and severe defects/damage?
What are implicated in fetal death and severe defects/damage?
What major internal and external features take shape during the embryonic period?
What major internal and external features take shape during the embryonic period?
What happens during the fetal period?
What happens during the fetal period?
At what point can the carrier feel fetal movement during pregnancy?
At what point can the carrier feel fetal movement during pregnancy?
What occurs in the fetus during the 6th month of pregnancy?
What occurs in the fetus during the 6th month of pregnancy?
What are some physical changes in the cardiovascular system during pregnancy?
What are some physical changes in the cardiovascular system during pregnancy?
What hormones are involved in the endocrinology of pregnancy?
What hormones are involved in the endocrinology of pregnancy?
What are some common pregnancy complications?
What are some common pregnancy complications?
What is preeclampsia and who is at higher risk for it?
What is preeclampsia and who is at higher risk for it?
What is gestational diabetes and how is it controlled?
What is gestational diabetes and how is it controlled?
What is the occurrence rate of ectopic pregnancies in the US?
What is the occurrence rate of ectopic pregnancies in the US?
What are the risk factors for abdominal pregnancies?
What are the risk factors for abdominal pregnancies?
What are some other pregnancy complications?
What are some other pregnancy complications?
What percentage of successful full-term pregnancies involve healthy newborns?
What percentage of successful full-term pregnancies involve healthy newborns?
What is the pregnancy risk of death for carriers in Canada?
What is the pregnancy risk of death for carriers in Canada?
What is the main function of human placental lactogen (hPL)?
What is the main function of human placental lactogen (hPL)?
What are some potential consequences of chronic alcohol use during pregnancy?
What are some potential consequences of chronic alcohol use during pregnancy?
Explain the role of the umbilical cord in fetal development.
Explain the role of the umbilical cord in fetal development.
What are the potential risks associated with Rh incompatibility during pregnancy?
What are the potential risks associated with Rh incompatibility during pregnancy?
Discuss the impact of environmental pollutants on embryo development.
Discuss the impact of environmental pollutants on embryo development.
How do substances like alcohol, drugs, and environmental contaminants affect the developing fetus?
How do substances like alcohol, drugs, and environmental contaminants affect the developing fetus?
Explain the significance of early nervous system development in fetal development.
Explain the significance of early nervous system development in fetal development.
What are some methods used for fetal evaluation?
What are some methods used for fetal evaluation?
Discuss the impact of radiation exposure on the developing fetus.
Discuss the impact of radiation exposure on the developing fetus.
What percentage of preembryos die prior to implantation?
What percentage of preembryos die prior to implantation?
Explain the relationship between the carrier's blood circulation and the fetal circulatory system.
Explain the relationship between the carrier's blood circulation and the fetal circulatory system.
What are the main nutrients transferred from the carrier to the fetus through the umbilical cord?
What are the main nutrients transferred from the carrier to the fetus through the umbilical cord?
Discuss the impact of Rh incompatibility on future pregnancies.
Discuss the impact of Rh incompatibility on future pregnancies.
What are some factors that can potentially lead to congenital disorders?
What are some factors that can potentially lead to congenital disorders?
During which week does the neural tube begin to develop in the embryonic period?
During which week does the neural tube begin to develop in the embryonic period?
At which week do finger rays emerge during the embryonic period?
At which week do finger rays emerge during the embryonic period?
At what stage does the fetus's skin become covered in vernix caseosa and lanugo?
At what stage does the fetus's skin become covered in vernix caseosa and lanugo?
What occurs in the fetus during the 6th month of pregnancy?
What occurs in the fetus during the 6th month of pregnancy?
During pregnancy, the overall red blood cell count increases by __%
During pregnancy, the overall red blood cell count increases by __%
Preeclampsia (toxemia) develops in months 8-9 in -% of pregnancies
Preeclampsia (toxemia) develops in months 8-9 in -% of pregnancies
Gestational diabetes occurs in __/350 in the US
Gestational diabetes occurs in __/350 in the US
The occurrence rate of ectopic pregnancies in the US is __%
The occurrence rate of ectopic pregnancies in the US is __%
Nearly half of all zygotes/preembryos spontaneously abort – miscarry – right before or after implantation. Roughly __% of established pregnancies result in miscarriage
Nearly half of all zygotes/preembryos spontaneously abort – miscarry – right before or after implantation. Roughly __% of established pregnancies result in miscarriage
Of those pregnancies which reach full term, __% involve healthy newborns
Of those pregnancies which reach full term, __% involve healthy newborns
The pregnancy risk of death for carriers in Canada is __/100000 (0.0011%)
The pregnancy risk of death for carriers in Canada is __/100000 (0.0011%)
Mild forms of preeclampsia are treated with diet/monitoring, severe cases require __ delivery
Mild forms of preeclampsia are treated with diet/monitoring, severe cases require __ delivery
Hydatidiform Moles result in abnormal development of chorionic villi, resulting in a fluid-filled cystic __
Hydatidiform Moles result in abnormal development of chorionic villi, resulting in a fluid-filled cystic __
The carrier's cells do not respond well enough to insulin in __ diabetes
The carrier's cells do not respond well enough to insulin in __ diabetes
The placenta begins to secrete several estrogens, mainly __, around week 5 of pregnancy
The placenta begins to secrete several estrogens, mainly __, around week 5 of pregnancy
The cardiovascular system output increases as blood volume increases by -% during pregnancy
The cardiovascular system output increases as blood volume increases by -% during pregnancy
Approximately 30% of ______ die prior to implantation, and only 1/3 of all embryos created result in a live birth, with genetic/chromosomal abnormalities related to congenital disorders
Approximately 30% of ______ die prior to implantation, and only 1/3 of all embryos created result in a live birth, with genetic/chromosomal abnormalities related to congenital disorders
Rh incompatibility affects future fetuses carried by the carrier when the carrier is Rh- and the sperm donor is Rh+, leading to antibodies attacking Rh+ fetuses in subsequent ______
Rh incompatibility affects future fetuses carried by the carrier when the carrier is Rh- and the sperm donor is Rh+, leading to antibodies attacking Rh+ fetuses in subsequent ______
Substances, agents, viruses, and bacteria, including alcohol, drugs, and environmental contaminants, can cause harm to the developing fetus, particularly during ______ development
Substances, agents, viruses, and bacteria, including alcohol, drugs, and environmental contaminants, can cause harm to the developing fetus, particularly during ______ development
Many viruses and bacteria, such as HIV, rubella, and bacterial vaginosis, are implicated in fetal death and severe ______/damage
Many viruses and bacteria, such as HIV, rubella, and bacterial vaginosis, are implicated in fetal death and severe ______/damage
Environmental pollutants, including mercury, lead, and arsenic, are especially damaging during weeks 4-7 of ______ development
Environmental pollutants, including mercury, lead, and arsenic, are especially damaging during weeks 4-7 of ______ development
Drugs, alcohol, and tobacco can have severe negative effects during the first trimester, with alcohol able to pass across the placental barrier and chronic use increasing the risk of fetal alcohol ______
Drugs, alcohol, and tobacco can have severe negative effects during the first trimester, with alcohol able to pass across the placental barrier and chronic use increasing the risk of fetal alcohol ______
Radiation exposure can be harmful to the developing child as it acts as a mutagen, increasing the risk of ______ defects
Radiation exposure can be harmful to the developing child as it acts as a mutagen, increasing the risk of ______ defects
Fetal evaluation methods include amniocentesis, chorionic villus sampling (CVS), fetoscopy, and ______, providing information on genetic abnormalities and fetal development
Fetal evaluation methods include amniocentesis, chorionic villus sampling (CVS), fetoscopy, and ______, providing information on genetic abnormalities and fetal development
The growing uterus displaces other organs in the abdominal and pelvic region of the carrier, causing temporary displacement and stretching of muscles and skin to accommodate the ______
The growing uterus displaces other organs in the abdominal and pelvic region of the carrier, causing temporary displacement and stretching of muscles and skin to accommodate the ______
Most of the fetus's nutrients come from the carrier through the umbilical cord, including sugars, amino acids, fatty acids, vitamins, and minerals, while wastes are passed back to the ______
Most of the fetus's nutrients come from the carrier through the umbilical cord, including sugars, amino acids, fatty acids, vitamins, and minerals, while wastes are passed back to the ______
The umbilical vein carries oxygenated blood, and the umbilical arteries carry deoxygenated blood, and there are three mechanisms of diversion in the circulatory ______
The umbilical vein carries oxygenated blood, and the umbilical arteries carry deoxygenated blood, and there are three mechanisms of diversion in the circulatory ______
The nervous system begins development around week 8, allowing for early neuromuscular coordination and sensory nervous system ______
The nervous system begins development around week 8, allowing for early neuromuscular coordination and sensory nervous system ______
Flashcards
Uterine Growth and Organ Displacement
Uterine Growth and Organ Displacement
The growing uterus takes up more space, pushing organs in the abdomen and pelvis aside, causing temporary shifting and stretching of muscles and skin to accommodate the fetus.
Nutrient Exchange through the Umbilical Cord
Nutrient Exchange through the Umbilical Cord
The umbilical cord is the lifeline between the carrier and the fetus, delivering nutrients like sugars, amino acids, fatty acids, vitamins, and minerals, as well as removing waste products.
Umbilical Blood Flow
Umbilical Blood Flow
The umbilical vein carries oxygenated blood from the placenta to the fetus, while umbilical arteries carry deoxygenated blood back to the placenta for oxygenation.
Nervous System Development (Week 8)
Nervous System Development (Week 8)
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Preembryo and Embryo Survival Rates
Preembryo and Embryo Survival Rates
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Rh Incompatibility
Rh Incompatibility
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Fetal Harm Factors
Fetal Harm Factors
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Infections and Fetal Health
Infections and Fetal Health
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Environmental Pollutants and Embryo Development
Environmental Pollutants and Embryo Development
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Harmful Substances During the First Trimester
Harmful Substances During the First Trimester
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Radiation Exposure and Fetal Development
Radiation Exposure and Fetal Development
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Amniocentesis: Fetal Evaluation
Amniocentesis: Fetal Evaluation
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Chorionic Villus Sampling (CVS)
Chorionic Villus Sampling (CVS)
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Fetoscopy: Visualizing the Fetus
Fetoscopy: Visualizing the Fetus
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Ultrasound: Non-invasive Imaging
Ultrasound: Non-invasive Imaging
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Study Notes
Key Points on Pregnancy and Fetal Development
- The growing uterus displaces other organs in the abdominal and pelvic region of the carrier, causing temporary displacement and stretching of muscles and skin to accommodate the fetus.
- Most of the fetus's nutrients come from the carrier through the umbilical cord, including sugars, amino acids, fatty acids, vitamins, and minerals, while wastes are passed back to the carrier.
- The umbilical vein carries oxygenated blood, and the umbilical arteries carry deoxygenated blood, and there are three mechanisms of diversion in the circulatory system.
- The nervous system begins development around week 8, allowing for early neuromuscular coordination and sensory nervous system development.
- Approximately 30% of preembryos die prior to implantation, and only 1/3 of all embryos created result in a live birth, with genetic/chromosomal abnormalities related to congenital disorders.
- Rh incompatibility affects future fetuses carried by the carrier when the carrier is Rh- and the sperm donor is Rh+, leading to antibodies attacking Rh+ fetuses in subsequent pregnancies.
- Substances, agents, viruses, and bacteria, including alcohol, drugs, and environmental contaminants, can cause harm to the developing fetus, particularly during embryo development.
- Many viruses and bacteria, such as HIV, rubella, and bacterial vaginosis, are implicated in fetal death and severe defects/damage.
- Environmental pollutants, including mercury, lead, and arsenic, are especially damaging during weeks 4-7 of embryo development.
- Drugs, alcohol, and tobacco can have severe negative effects during the first trimester, with alcohol able to pass across the placental barrier and chronic use increasing the risk of fetal alcohol syndrome.
- Radiation exposure can be harmful to the developing child as it acts as a mutagen, increasing the risk of birth defects.
- Fetal evaluation methods include amniocentesis, chorionic villus sampling (CVS), fetoscopy, and ultrasound, providing information on genetic abnormalities and fetal development.
Key Points on Pregnancy and Fetal Development
- The growing uterus displaces other organs in the abdominal and pelvic region of the carrier, causing temporary displacement and stretching of muscles and skin to accommodate the fetus.
- Most of the fetus's nutrients come from the carrier through the umbilical cord, including sugars, amino acids, fatty acids, vitamins, and minerals, while wastes are passed back to the carrier.
- The umbilical vein carries oxygenated blood, and the umbilical arteries carry deoxygenated blood, and there are three mechanisms of diversion in the circulatory system.
- The nervous system begins development around week 8, allowing for early neuromuscular coordination and sensory nervous system development.
- Approximately 30% of preembryos die prior to implantation, and only 1/3 of all embryos created result in a live birth, with genetic/chromosomal abnormalities related to congenital disorders.
- Rh incompatibility affects future fetuses carried by the carrier when the carrier is Rh- and the sperm donor is Rh+, leading to antibodies attacking Rh+ fetuses in subsequent pregnancies.
- Substances, agents, viruses, and bacteria, including alcohol, drugs, and environmental contaminants, can cause harm to the developing fetus, particularly during embryo development.
- Many viruses and bacteria, such as HIV, rubella, and bacterial vaginosis, are implicated in fetal death and severe defects/damage.
- Environmental pollutants, including mercury, lead, and arsenic, are especially damaging during weeks 4-7 of embryo development.
- Drugs, alcohol, and tobacco can have severe negative effects during the first trimester, with alcohol able to pass across the placental barrier and chronic use increasing the risk of fetal alcohol syndrome.
- Radiation exposure can be harmful to the developing child as it acts as a mutagen, increasing the risk of birth defects.
- Fetal evaluation methods include amniocentesis, chorionic villus sampling (CVS), fetoscopy, and ultrasound, providing information on genetic abnormalities and fetal development.
Key Points on Pregnancy and Fetal Development
- The growing uterus displaces other organs in the abdominal and pelvic region of the carrier, causing temporary displacement and stretching of muscles and skin to accommodate the fetus.
- Most of the fetus's nutrients come from the carrier through the umbilical cord, including sugars, amino acids, fatty acids, vitamins, and minerals, while wastes are passed back to the carrier.
- The umbilical vein carries oxygenated blood, and the umbilical arteries carry deoxygenated blood, and there are three mechanisms of diversion in the circulatory system.
- The nervous system begins development around week 8, allowing for early neuromuscular coordination and sensory nervous system development.
- Approximately 30% of preembryos die prior to implantation, and only 1/3 of all embryos created result in a live birth, with genetic/chromosomal abnormalities related to congenital disorders.
- Rh incompatibility affects future fetuses carried by the carrier when the carrier is Rh- and the sperm donor is Rh+, leading to antibodies attacking Rh+ fetuses in subsequent pregnancies.
- Substances, agents, viruses, and bacteria, including alcohol, drugs, and environmental contaminants, can cause harm to the developing fetus, particularly during embryo development.
- Many viruses and bacteria, such as HIV, rubella, and bacterial vaginosis, are implicated in fetal death and severe defects/damage.
- Environmental pollutants, including mercury, lead, and arsenic, are especially damaging during weeks 4-7 of embryo development.
- Drugs, alcohol, and tobacco can have severe negative effects during the first trimester, with alcohol able to pass across the placental barrier and chronic use increasing the risk of fetal alcohol syndrome.
- Radiation exposure can be harmful to the developing child as it acts as a mutagen, increasing the risk of birth defects.
- Fetal evaluation methods include amniocentesis, chorionic villus sampling (CVS), fetoscopy, and ultrasound, providing information on genetic abnormalities and fetal development.
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Description
Test your knowledge of the embryonic period of pregnancy, particularly weeks 3-5 and 6-8, where major internal and external features take shape. Explore the development of the neural tube, eyes, otic pits, pharyngeal arches, heart, limb buds, and more.
