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Yes, it is possible for this to happen and it can result in fetal death, miscarriage or stillbirth. However, there are several control points in the placenta to help reduce this risk, including the barriers between maternal circulation and fetal circulation.
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∙ 13y agoharmful substances: alcohol
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Why would an embryo be more susceptible than a fetus to damage by toxins?
The embryo is connected to the umbilical cord to the mother. The baby feeds on what its mother eats. Absorbs the nutrients and oxygen it needs. Drugs and other harmful substances will affect the embryo's development and it could possibly cause low birth weight, early birth. Also it will cause the embryo now a fetus have problems receiving oxygen and nutrients from its mother.
What attaches the placenta to the baby?
As long the surfaces are clean and dry you could probably get away with a bit of double-sided sticky tape. Seriously, my grasp of biology leaves a lot to be desired but I'll try and look this up for you. Back soon. It would appear that the placenta is attached to the embryo by the umbilical cord.
Placenta formation?
Many people have mistaken ideas about how a growing embryo eats and breathes in the uterus.From the earliest stages of its development, the growing embryo requires nutrition and oxygen, and a disposal system for the waste products of its own metabolism. All of this is accomplished by the placenta, which allows the growing embryo to eat and breathe while in the mother's uterus.To get some perspective on how the placenta began, let's go back to Day 8. This hollow ball of cells moving through the uterus is the blastocyst, searching for an implantation site. Here you see its outer layer beginning to extend out and implant in the uterine lining, searching for the uterine blood vessels that would nourish it throughout the pregnancy.As it went deeper, a single layer of cells from the mother's uterine lining surrounded it, so that it would be protected from harm. On Day 9, as it grew larger and more complex, the blastocyst became an embryo. Here it's about the size of a pinhead.Also on Day 9, the outer layer of the embryo developed spaces called lacunae. The lacunae filled up with blood from the mother's uterine lining.On Day 13, small projections from the embryo's chorionic layer reached out into the uterine lining. The chorionic layer is one of the membranes that surround the embryo and help it implant.On Days 15 through 21, blood vessels began to form beneath this chorionic layer.Around Day 21, the embryo's blood stream and the mother's blood stream were in such close contact that nutrients and oxygen could cross from mother to embryo. This was how the embryo first got its food and air from the mother, and technically this is when the placenta began to function.Let's magnify this area so you can see what we're talking about. Here you see a vein and an artery from the embryo in close contact with the blood in the mother's uterine lining. Inside the blood vessels, you can also see red blood cells, which carry oxygen.The two blood streams are separated by a thin collection of tissues in the placenta called the blood barrier. This barrier permits small particles like nutrients and oxygen to pass from the mother to the embryo, (pause) and allows waste products to pass from the embryo back to the mother. The blood barrier also prevents many large or potentially harmful particles from entering the embryo's blood stream. Notice that the red blood cells do not cross from the mother's blood stream to the embryo's.You may be wondering how a mother's blood cells could be harmful to her growing baby, and why it's important to keep the two blood streams separate. If the mother's blood type is RH negative, and her embryo's blood type is RH positive, then the mother's antibodies would treat the embryo as an invading foreign organism, and try to destroy it.Now you can see why the placenta and its blood barrier are important for supplying the growing embryo with nutrition and oxygen, removing its waste products, and preventing harmful substances from getting into its blood stream.Reviewed ByReview Date: 09/16/2008Dan Sacks MD, FACOG, Obstetrics & Gynecology in Private Practice, West Palm Beach, FL. Review provided by VeriMed Healthcare Network.
Give me a sentence using embryo?
The embryo of a plant is within the seed could be a sentance. The plant embryo is the initial development stage of the plant.
What makes mental retardation happen in the womb?
Mental retardation could be the result of a number of things. These include an accident that resulted in physical damage to the baby's brain despite the cushioning effect of the fluid in the womb, chemical substances exchanged between the mother and the embryo through the placenta. Sometimes mental retardation is inherited from one or both parents through the genes or genetic damage occurs as cells divide in the early stages of pregnancy.
Could a fever blister affect embryo implantation?
A fever blister won't affect embryo implantation.
Can a 60 years old woman can still have baby through arficicial insemination?
No, she still would need an egg. She could have a baby through embryo transfer, though. This has been done, in Italy.
1999 ford f150 with smell of anti-freeze through ac vents?
If antifreeze is filtering through your ac vents, other toxins could also be coming through. Don't take chances; see a mechanic.
What happen if blood is in your placenta?
could go either way. it could heal itself or you could lose the pregnancy
Why doesnt the mother's blood does not mix with the foetus's blood?
The placenta prevents mixing of bloods. The placenta prevents mixing of bloods.
What are the risks with the placenta positioned at the front?
the baby could eat you in your sleep
Could taking drugs cause placenta separation?
Yes, using cocaine in particular can cause the placenta to separate from the uterus during pregnancy (placental abruption).
