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Fetal Development
Fetal development refers to the stages of development of the fetus. In humans, there are three stages of development, divided into three trimesters. The fetus continues to develop from the day of conception until it is born after nine months.
1,674 Questions
Why are lungs in fetus inactive?
They need air to operate properly, the fetus develops in fluid until born. The lungs first work shortly after the baby is born.
What does open your heart really mean?
open your heart means to believe in things and pretty much let diffrent socials into your soul.... and just because you have red/orange hair and freckles doesnt mean you dont have a soul. alot of people say that buts its not true. you need to know gods with you nomatter what happens or wherever you go. it means to try new things and be confident in your self. its all about knowing god and jesus is with you to carry you through problems and situations. if you dont know how to do a sport and its your first day......then you need to know god is helping you through that and letting you learn to have fun with it.just be yourself
Pregnancy dates are determined by the first day of your last period. This adds at least 2 weeks to the actual fetal age. Another determining factor is when you ovulated/actually got pregnant. Some women ovulate later in their cycle resulting in a lower actual fetal age.
Does vegetarian diet affect pregnancy and fetal development?
The American Dietetic Association considers well-planned vegetarian and vegan diets "appropriate for all stages of the life cycle, including pregnancy and lactation" but recommends that vegan mothers supplement for iron, vitamin D, and vitamin B12.
What are the usual heart beats of unborn baby girls?
There isn't any "usual" heart beats for a female vs. a male fetus. All fetuses have extremely high heart rates.
Is it harmful to a fetus in the third trimester to take clonazepam?
I am a neurologist who sub-specializes in epilepsy and often find myself considering this very question for women who begin having auras in their third trimester and are already on higher doses of their baseline antiepileptic medication that I do not want to increase further. The problem is that since there are not enough (practically any) good studies in pregnant women in the third trimester taking clonazepam, no one can really answer that question from an evidence-based perspective. So... no one will, because to give you a definitive answer sets the adviser up for a lawsuit if something goes wrong (I hate the truth of this reality, but it is). That being said, I would not suggest it in the 1st and 2nd trimester based on animal models which do show problems in the fetus, but by the third trimester, the baby is pretty much fully formed in a ways that clonazepam shouldn't really affect. BUT, given the dearth of good studies, I still tell my patients to use it as infrequently as possible and at as low a dose as possible, because the theoretical risk is still there. But if you have a seizure that makes you abort your child or prematurely deliver... then the judicious use of clonazepam was definitely the better option. What about anxiety? Unless my patient has severe anxiety as a psychiatric diagnosis, then I would probably just ask them to be anxious a little longer until delivery.
Under what circumstances is a fetus most likely to contract GBS from the mother?
Pregnant women are more likely to transmit GBS to their fetuses if they previously delivered a GBS-infected baby; have a urinary tract infection caused by GBS; carry GBS late in pregnancy; or begin labor before 37 weeks of gestation
How do birds develop without a placenta that links them to its mothers blood supply?
Instead of getting oxygen and nutrients directly from a mother, the bird egg contains these elements in the materials found around the bird embryo. Reptiles and amphibians have similar processes for supplying the embryo.
What does it mean when the fluid is thick around the baby?
It might not be anything. It can simply mean that mother and baby are too hydrated. Depending on when it is discovered it can mean different thing. ALso, as long as it is just in the abdomen, it might not be a big deal. If it is in the abdomen and in other areas, well, it can be a very very serious issue. I would make sure you check with a specialist to determine the cause of it and if it is getting better or worse. It can be high risk.
Why at five weeks and 3 days no yolk sac or fetal pole?
If your dates are even a few days out you are3 too early to see this. Another scan in a week or two will be more accurate. That is not true. It is very possible to not see anything. Only about 50% of women show more than the sac in their 5th week of pregnancy. I have heard many stories of women who saw nothing in the 5th week and then returned a week or even just a short 3 or 4 days later and the yolk and pole were present. Do not worry. Relax and wait for the next ultrasound.
What over the counter medications should you avoid during pregnancy?
Best to ask you local pharmacist as they are the experts because some medicines can be taken during pregnancy
What will take place in the umbilical cord when the baby first fully uses the lungs?
Fetal Circulatory System
The baby's circulatory system works differently when he's in the womb than it does after birth.
During pregnancy, the mother's placenta transfers nutrients and highly oxygenated blood to the fetus through a single, large vein in the umbilical cord, and removes deoxygenated blood and waste products through two smaller umbilical arteries. The returned blood is filtered through the placenta back into the mother's circulatory system, and eliminated. This process is necessary because the fetus can't breath until he (or she) is born.
The large umbilical vein passes through the baby's abdomen to his liver, where it divides into three smaller branches. Two supply blood to the liver, and the third connects to the inferior vena cava (IVC), a major vein that carries blood to the heart.
The heart is divided into four chambers: the bottom two chambers are called ventricles, and the top two are called atriums. The IVC enters the heart at the right atrium.
In an adult, the left and right sides of the heart are closed off from each other. The right side of the heart recirculates deoxygenated blood back to the lungs via the pulmonary artery, while the left side receives oxygenated blood from the lungs and pumps it out to the rest of the body.
Since the fetus doesn't use his lungs for breathing, he only needs a little blood to keep the lung tissue healthy, while preventing the wet and delicate lungs from being overwhelmed by too much blood at too high pressure. The developing body and brain, on the other hand, can make good use of the oxygenated blood. For this reason, the fetal heart develops with a hole (called the foramen ovale) between the right and left atriums that allows more blood to be diverted away from the lungs to the rest of the body. There is also a short tube (called the ductus arteriosis) connecting the pulmonary artery to the aorta that helps perform the task of shunting blood away from the lungs.
What happens after birth:
When the baby's born, the umbilical cord is cut and clamped, so it's no longer part of his circulatory system.
The baby's first breaths create pressure changes in his circulatory system that reduce blood flow through the two ducts (the foramen ovale and the ductus arteriosis). These will usually close permanently over the next few days to weeks.
The empty umbilical vessels collapse because there is no blood pressure to keep them dilated.
Outside the body, the umbilical cord, with its collapsed veins and arteries, no longer has a blood supply, so it dries out (like an unwatered plant) while the place where the veins and arteries passed through into the baby's body heals and begins to form a scar called the naval (or belly button).
In most cases, the cord will dry out and fall off within 10 days to three weeks. Some practitioners recommend cleaning the stump with rubbing alcohol and swabs, while others recommend letting the cord dry naturally. Always follow your pediatrician's advice.
On occasion, the stump doesn't dry out as quickly as it should, and the pediatrician may decide to cauterize (burn) the stump with silver nitrate sticks. Because there are no nerve endings in the severed cord, this treatment is painless.
Are babies lungs mature at 36 weeks?
Yes. At 36 weeks a baby is fully developed. He/she may be a little lighter than the majority of babies who are born. However, there should not be any problems.
Yes. If you can't afford a doctor, try a midwife or nurse. If you're high-risk, you should be able to phone for help any time.
Where is a short summary of Fetal development?
There is no way to sum up fetal development: from conception to development to what problems may occur and when; one paragraph wouldn't even begin to cover it all.
Does mother circulation affect fetal circulation?
If the circulation you refer to is circulation of the blood, then yes, if your blood circulation is slower or faster, so is the baby's. Your blood circulates through the fetus and back into you, it's a constant cycle.
How is the developing fetus attached to the uterus?
The umbilical cord is attached to the belly of the baby in one end and in the other end it's attached to the placenta where the baby get the nourishment from. The placenta is attached to the uterus wall.
If ma baby's father does illegal drugs does his sperm harm the fetus?
It actually can depend on the drugs that he's on. But it can result in some form of mental of physical defect in the child when it is born or it can also lead into a miscarriage.
What 's the normal measurements for baby in 20 week?
Your baby should be about 6 1/2 inches and about 10 1/2 ounces!
