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Doctor insights on: Week By Week Fetal Development Chart

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Best sites for baby fetal development week by week?

Best sites for baby fetal development week by week?

Fetal development: Information is available from the american academy of pediatrics and from the ob-gyne society. ...Read more

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My dr. Said i'm 5 weeks (counting from the 1st day of my last cycle), but that in reality i'm only 3 wks. Many websites offer week to week details on fetal development. Which week should I read? 3 or 5?

My dr. Said i'm 5 weeks (counting from the 1st day of my last cycle), but that in reality i'm only 3 wks. Many websites offer week to week details on fetal development. Which week should I read? 3 or 5?

Usually LMP: Most are based on date of last period (lmp). If you are unsure which method the website is using, look to see what the last week is. If you date from lmp, pregnancy lasts until 40 weeks. ...Read more

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Is there a big difference in fetal development and maturation if a baby was born at 31 weeks compared to 35.5 weeks?

Is there a big difference in fetal development and maturation if a baby was born at 31 weeks compared to 35.5 weeks?

yes: You are talking about a difference of about ten percent and the difference between the two gestational ages is significant. Most 35 weekers will do ok from a lung perspective but many 31 weekers will have resp. Issues. Both are preemie but one is much closer to term. ...Read more

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Does malnutrition impair fetal development?

Does malnutrition impair fetal development?

Yes: Malnutrition can definitely impair many parts of fetal development. One example is if there is a lack of folic acid, the fetal nervous system may not properly form. It is very important to be vigilant of nutrition during pregnancy and your doctor will guide you through it. ...Read more

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What are the effects of caffeine on fetal development?

What are the effects of caffeine on fetal development?

Great question!: Caffeine crosses the placenta and may have fetal effects - including proarrhythmic tendency in the fetal heart and untold consequences in fetal brain development. Consumption in moderation is not contraindicated during pregnancy, however studies are lacking to assess your excellent question, namely what effect that has on the infant's character and neurolodevelopmental outcome, if any. ...Read more

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Does your partner's sperm help fetal development?

Does your partner's sperm help fetal development?

Of course: The sperm is necessary for fertilization. If you are asking if continued sexual activity and exposure to sperm after conception helps fetal development, I am not aware of evidence to this effect. Ask your obstetrician. ...Read more

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What are the harmful effects of tobacco use on fetal development ?

What are the harmful effects of tobacco use on fetal development ?

PPROM!: Smoking exposes the fetus to dozens of toxins and is to be avoided entirely during pregnancy! it decreases fetal growth and causes preterm premature rupture of membranes (pprom) which can be life-threatening or altering for the fetus. ...Read more

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Woud you please discuss the changes that occur during each trimester of fetal development?

Too many to list: There are lengthy textbooks that provide this data in detail. There is certainly too much going on to list in 400 characters. If you have a specific question, start over and submit it.Questions are not linked on the site. ...Read more

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What the affect of alcohol/drugs/smoking/poor diet are on fetal development?

What the affect of alcohol/drugs/smoking/poor diet are on fetal development?

Too many to list: You basically build your baby using what you put into your body. If you consume toxic substances, baby will show the effect. If you avoid such materials the baby has a chance to grow to the full potential of their genetic abilities.Each of the materials has specific negative effects, & sadly, many ignore the issue anyway. ...Read more

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What causes turner syndrome, noonan syndrome, & the rare klippel-fell syndrome? What happens during fetal development that causes these conditions?

What causes turner syndrome, noonan syndrome, & the rare klippel-fell syndrome? What happens during fetal development that causes these conditions?

A genetic accident: During formation of the egg or sperm can leave out an x chromosome in either one. A fetus whose genetic make-up includes the germ cell missing a chr. X has turner syndrome. One of 8 different genetic mutations is passed on to a fetus by 1 parent or happens spontaneously to cause noonan syndrome. 2 related genetic mutations are passed on to the fetus by 1 parent to cause klippel-feil syndrome. ...Read more

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How can cystic fibrosis affect fetal development?

How can cystic fibrosis affect fetal development?

Not usually apparent: Cystic fibrosis patients are occasionally born with such thick poo that it is stuck & may result in surgical treatment. However, most have no visible findings at birth that would suggest a problem. During pregnancy, the maternal system handles the majority of metabolic challenges, nutrition (placenta), and the issues that may cause failure to thrive in CF only come into play after birth. ...Read more

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Ultrasound result: single live intrautrerine pregnancy,presently cephalic,20weeks and 5days gestation,oligohydramnios fetal ascites..what can i do

Ultrasound result: single live intrautrerine pregnancy,presently cephalic,20weeks and 5days gestation,oligohydramnios fetal ascites..what can i do

See perinatologist: Its frightening to have an ultrasound that gives news that isn't perfect. Oligohydramnios means that there isn't enough fluid around the baby. You can help make more fluid by drinking lots and lots of water and getting enough rest. You need to see a perinatologist to find out why. This is a doctor who concentrates on complicated pregnancies to find out why. Best Wishes! ...Read more

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Why there is NO fetus development in case of Complete Hyditiform Mole ( karyotype 46XX)?!

Why there is NO fetus development in case of Complete Hyditiform Mole ( karyotype 46XX)?!

No female DNA: A Complete Hydatidiform mole is formed when one or two sperm fertilize an egg that has lost its DNA. A fetus cannot form without DNA from both the egg and the sperm, even though it is 46XX. ...Read more

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Can a pregnant woman's mood affect her fetus' development?

Can a pregnant woman's mood  affect her fetus' development?

Metaphysical questio: Your question is metaphysical and i cannot answer to those ramifications. I will say, though, that maternal sorrow, anxiety, depression, stress do affect the pregnancy adversely and increase the risk for small babies, preterm birth and cesarean section. A healthy, optimistic mood is essential in all aspects of life, including reproduction! ...Read more

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Any reports of migraine with aura affecting a fetus' development?

Any reports of migraine with aura affecting a fetus' development?

Non-significant: The outcome in migraineurs when compared to controls is non-significant in cases of miscarriage, congenital anomalies, toxemia and stillbirth. Aprox. 60-70 of migraineurs will improve during pregnancy. Medication effects on the growing fetus is still not clear. Therefore, non-pharmacological treatment would be the "ideal" approach. ...Read more

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I drank a herbal tea called rue will this affect my fetus development?

I drank a herbal tea called rue will this affect my fetus development?

Don't drink it again: Rue tea should not be drank by pregnant woman as it can cause uterine contractions, which can in turn cause a miscarriage. If you have not felt any adverse effects by now, than it is unlikely that one cup of rue tea has caused you or your baby and problems. Do not drink this tea again, however, if you plan on continuing your pregnancy. ...Read more

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I'm 21 weeks of gestation, how can I know that the fetus is well? Can dopplar study be reassuring?

I'm 21 weeks of gestation,  how can I know that the fetus is well? 
Can dopplar study be reassuring?

Ultrasound: Many moms do find reassurance in US as they can actually see their developing baby moving around and the physician can check anatomy. They aren't required though. Your OB is monitoring your growth and the babies heart rate - two parameters that are followed to see if everything seems to be progressing normally. ...Read more