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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

Dr. Michael Swor
Board Certified, Gynecology
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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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Dr. Michael Swor
Board Certified, Gynecology
34 years in practice
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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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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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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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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

Board Certified, Gynecology
34 years in practice
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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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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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I have choroid plexus cysts. Will this increase chance of chromosome x/y or autosomal or translocation abnormalities in fetal development of my baby?

I have choroid plexus cysts. Will this increase chance of chromosome x/y or autosomal or translocation abnormalities in fetal development of my baby?

Not linked : The presence of a choroid plexus cyst in a mom who is genetically normal is not at increased risk of having a baby with a genetic disorder. ...Read more

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If I got pregnant while taking klonopin and Prozac can it hurt early fetal development even if I stop as soon as I find out?

If I got pregnant while taking klonopin and Prozac can it hurt early fetal development even if I stop as soon as I find out?

Possibly: Neither of these medications have been found to definitely cause fetal problems, but the FDA advises caution in pregnancy. I suggest you discuss this with your OB/GYN ...Read more

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Dr. Michael Swor
Board Certified, Gynecology
34 years in practice
3.0M people helped
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