Doctor insights on:
How Big Is A Fetus At 29 Weeks Gestation
I am 29 weeks pregs. Fetal gestational age is already above 31 weeks. But my uterus size is only 27-28 weeks. I hope things are normal. Pls advice?
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
Would there be a (big) difference in the measurement if a 12wk old fetus compared to a 9wk old fetus? The gestational age would be determined in u/s?
Yes: An first trimester sonogram is fairly accurate at dating a pregnancy (within a margin of error of about a week). At 12 weeks menstrual age with a viable pregnancy a sonogram measurement of 9 weeks would change the dating of the pregnancy and your due date should be based on that sonogram. Later sonograms should not change this established date. ...Read more
Can 12 week dating scan be off by 2 weeks? Could a 10 week gestational age fetus measure as big as 5.6cm?
Yes: Ultrasound scanning is related to the skill of the sonographer. Typically a 10 week scan has three days of error built in when the test is performed vaginally. There is more error with an abdominal ultrasound. Average crown rump length at ten weeks is approximately 3-4cm. ...Read moreSee 1 more doctor answer
Is the gestational age of a fetus measured by how big it is?If so, can't some fetuses be bigger than others which can cause due dates to be off?
No.: That is close to an 11 week fetus. Far too large for an 8-9 week gestation. ...Read more
Yesterday they did a us it show 5wk gestation sac no fetal pole my big is 4446.2 when did i concieve what's my due date i need serious help please?
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
Need more info: It matters much more that the fetus has reached a gestational age of 29 weeks, where survival is extremely good. Also, a fetal weight of 1000gm at 29 weeks is 15%ile and not abnormal. Whoever is asking needs to ask their ob/gyn. ...Read more
Internet and all my friends say they get tested for gestational diabetes between 24-28 weeks, but I got tested when I'm at 29 weeks.Isn't it too late?
Im 29 weeks pregnant, fetus too small?(2 lbs.) should I be worried? My 1st baby only weigh 5lb.10oz at 36 weeks?
Depends: There are two types of small babies. Some babies are constitutionally small because their parents are smaller people. If you had a previous small baby then maybe that is your situation again. Other times babies are small because there's a problem with the placenta. Sometimes this can be due to conditions such as high blood pressure or diabetes your doctor knows best how concerning the smallness. ...Read more
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