Doctor insights on:
How Much Does A Fetus Weigh At 16 Weeks Gestation
Is it safe to have an appendectomy in 2nd trimester of pregnancy? What is the success rate? Do they calm the fetus down prior to the procedure.
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
Pretty sure that my fetus s no less than 5w but gestational sac is barely seen. 3days ago hCG 4518. Today 8315. No pain no bleeding. Should I worry?
No: Still very early. You should be able to see a lot more in just 1 week. ...Read more
Profound.: High blood sugar during fetal development can lead to excessive growth (macrosomia), predispose to adult diabetes mellitus, increase the risk for cesarean section, shoulder dystocia and fetal death from cardiac arrhythmias and hypertrophic cardiomyopathy. Most women with gdm have normal outcomes, but are at increased risk for all of the above, as well as polyhydramnios, preeclampsia (hypertension). ...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
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
Ultrasound; Gestational sac at 10 weeks looks 5 times bigger than fetus (which looks 7 weeks) should I be concerned?
Not really: There are several parameters that are measured to follow fetal growth in utero: biparietal diameter, femur length. They don't measure size of fetal sac, so no comparable data available and it's just nonsense to talk about it. ...Read more
Ultrasound says my fetus is 6 weeks 2 days but my gestational sac is 7 weeks 2 days. Heartbeat is normal. Is everything ok?
Most likely: The most accurate measurement of the fetus is the crown rump length. The gestational sac is like a fluid filled balloon, not a perfect sphere. So the measurement of the sac can vary quite a bit depending on what part was measured. If there is already a fetal heart beat, that is a great sign. Keep your follow up appointments with your OB doctor. ...Read more
I'm pregnant and my fetus should be at least 6 weeks but there s nothing on vaginal ultrasound but gestational sac with age of 5 weeks?
Dating: Everyone's fetus shows up at slightly different times. I would recommend a couple HCG levels to insure they are rising and repeat us in 2 weeks. ...Read more
10+-6days weeks pregnancy crl 3.9.Fhs 162.Growth of fetus is acc to gestational age. Is growth normal♥?
Yes: If the report says the growth is accurate to gestational age then that is the same thing as saying that the fetal growth is normal. ...Read more
After the 6th or 7th week of pregnancy does the fetus double in size, causing the gestational age to be off?
Early pregnancy: The rate of growth of the fetus in the first trimester is very rapid. An ultrasound in the first trimester has only a 3-6 day error while later in pregnancy that error grows to 3 weeks. The gestational age is more accurate in early pregnancy and less likely to be off in the first trimester. ...Read more
Sonographer could not see fetus (only gestational sac) and said I am 5wks 2days. Do you think everything is ok with baby? Or is it just too early?
Very Good Question: With early ultrasound, it is now possible to see embryo heart motion as early as 6 weeks. While your concern is valid, repeating the ultrasound in 1-2 weeks will reveal the health of the pregnancy. Early pregnancy failure is a possibility I am sorry to say. However, if you do make it to 8 weeks with an embryonic heart beat, the chances of loosing the pregnancy drop dramatically to about 3%. ...Read more
Why are fetuses measured by gestational age and not by the actual fetal age? So if u are 12wks the measurements are actually of a 10 week old fetus?
Math: Gestational age is based on your last period. The best way we can estimate fetal age....After doing thousands of measurements standards have emerged...So if you are 12 weeks and the baby is 10 weeks in size, it would indicate a smaller baby at this time...Just a way to follow growth of the baby. If I am off, I hope an OB wills set the record straight. ...Read more
Fetus measurements: 57mm 12 weeks gestation / 62mm 12 wks+4days gestation. Are measurements this precise to have this difference in size in 4 days?
Sort of: Yes, the measurements on average do correspond to these dates and they are fairly accurate, but not exact. Also it is dependent on how the ultrasound tech measures it. So there are plenty of sources of mild error. ...Read more
I got laryngitis in my 4th week of gestation and took amoxicilline cap for 3 days, worried about my fetus, any harm?
BPD: Well we use more than just bpd to calculate the gestational age. Head circ., femur length, and abdominal circ. Also go into the calculation. However, 4.1cm bpd is consistent with about 17 weeks 4 days. ...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?
My fetus is measuring 7 weeks but gestational sac is 1 week behind. Is that bad? Heartbeat is 140bpm. Is there anything I can do to help it grow?
I had scan on 8th mth & my fetus AC different 5 wks with gestation age, will this cause Pulmonary Atresia or any other problem? What cause this?
5 weeks big/small: It matters whether the AC is measuring bigger or smaller than the rest of the measurements. My first thought would be if it were bigger that you may have gestational diabetes? Consider rephrasing with this part in the question. ...Read more
Is a small gestational sac in relation to the fetus a sign of a chromosomal abnormality. Fetus 9w sac 7w. Doctor and research have me very worried.
Hard to answer...:
At such an early stage, imaging and interpretation is hard.
There are associations between size and abnormalities.
But it is impossible to look at a minimally smaller size and conclude anything, especially chromosomal disorders.
It is best not to worry, but follow this serially and monitor progress. Your OB is the best judge of this and should advice you of intervention if at all needed. ...Read more
My ultrasound report says that Live fetus of 34W 1D Gestational size, With Doppler indices (Small for Gestational Age);LMP GSA is 36W 5D, ur recomendatio?
Doctor visit: You will need to review the sonogram with the doctor treating your pregnancy. They can evaluate your gestational dating criteria. Previous sonograms can be used as points of comparison. They can also calculate the estimated fetal weight to confirm that growth restriction is not occurring. Any further testing can be ordered if needed ...Read more
Lab range for HCG values on report states gestational age 0.2-1 week expected range 50 -500, 1-2 weeks 100-5000, 3-4 weeks 500-10000. Is this fetus age not gestational (ieLMP dated) age given first 2 wks are leading up to ovulation ie no HCG produced?
Fetal or embryo age: Because there is is no fetus until 2 weeks into a pregnancy (yes, it's an odd but standard way of counting dates), there is no bHCG until after 2 weeks gestational age. Also, the bHCG is not detectable until implantation, because the bHCG needs to be able to get from the embryo into the uterine lining, into the mother's circulation, into the mother's blood or urine sample. ...Read more
If its said that a 12 week old fetus measures 57 mm, than what is the gestational age of a fetus measuring 62mm?
Crown-rump length in fetus:
57 mm= 12+2 (50%) weeks,
62mm= 12+4 (50%) weeks
reference: http://www. Bmus. Org/policies-guides/23-17-3-161_ultbmus. Pdf. ...Read more
When a fetus is "measuring small" how is that determined? Wouldn't it just mean that the fetal / gestational age is off?
Yes and no: Yes, if the gestational dates are off. No, if they are not and the biparietal diameter of the fetus does not "measure up" to the appropriate age indicating "small for gestational age or intrauterine growth retardation.". ...Read more
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?
What is a normal cervical length at 33 weeks of pregnancy? What should the bpd, ac, hc, fl of fetus be at this gestational age?
Cervix length: Should be more than 2.5 cm, as far as the rest your OB should be able to go over all of that with you as there is a range of normal. ...Read more
Hemorrhage, lower then average hormones, fetus smaller then normal, gestational sac 2 weeks behind fetus. Chances of trisomy or other abnormalities?
Maybe, miscarriage is: More likely. Not knowing how many weeks pregnant you are, it's difficult to give you more specific information. Usually the above consistent with early pregnancy loss. It is best to follow closely with Gyn/OB. Also try to avoid air travel or long car rides, trips in remote areas until this is settled. Miscarriage is potentially serious and can result in significant blood loss, so call 911 4 help ...Read more
Had ultrasound. It showed the gestational sack and the other for nutrients. Did not see no fetus. I bleed bloody tissue the night before. Did I miscarriage? I am 8wkd but sack showed 5wks.
Never pregnant: Sounds like what is known as a mole. This is not a miscarriage, but rather was never a viable fetus. It simulates pregnancy, but there is no baby present, only the other gestational contents that will pass but sometimes require dilation and curettage. Sometimes this is the result of an unfertilized egg abberrantly dividing. ...Read more
No.: That is close to an 11 week fetus. Far too large for an 8-9 week gestation. ...Read more
Need advice on what is the the difference between the gestational age of a fetus and how many weeks you are?
Same thing: The way you count is from your last period, it is 40 weeks from your last period until your due date so when you are 6 weeks gestational age it means 6 weeks from your last period which is how many weeks u are (most people get pregnant 2 weeks after their last period) but u always count from the 1st day of the last period, and in my office in coral springs, fl, I always do an early ultraosund. ...Read more
Can the reading of a 10 week gestational age be wrong? Is it possible that the crown can be larger than other fetuses?
Yes: Prenatal ultrasounds are not 100% accurate. Readings also depend on the training and experience of the tech and the ob. Ultrasonography cannot detect certain anomalies in the fetuses. There have been cases when fetuses have been aborted to find out, in the post-mortem, that they were perfectly normal. But, ultrasound remains a great diagnostic tool and many lives have been saved by it. ...Read more
I had my 2nd u/sI'm a little concerned because my fetus mesaused 11 wks 3 days and my gestational is measured 10 wks (4.7cm) does this indicate a prob?
Sono variation: If the result is within a week, it is okay and is normal variation. ...Read more
20 weeks pregnant. Now my fetus is cephalic presentation. Any problem bcoz of cephalic at this early gestational age? What are the thngs I should care?
DID YOU ASK YOUR DOC: U should have good communication with your doc, cephalic is normal presentation for 20 weeks but at 20 weeks it doesn't matter what the position is since if it is not cephahlic will most likely end up cepahlic a 34-36 week us is usually done in the us to check position and growth and wt that is when u want the baby to be cephalic. ...Read more
On the sonography report, it was notated "intrauterine gestation 17w 6d." is this the actual fetus size? Does intrauterine gestation mean time of fetus in uterus?
If I conceived on november 25, but don't remember my last menstrual period, what would be my accurate gestational age and what would fetus measure?
I am pregnant with 5.7 week. Bhcg level is 7064. Transvaginal scan shows 8mm gestational sac with no fetus. Have vaginal bleeding. Is that normal?
Not normal: No. Of course that is not normal. ...Read more
Pregnant with 5.7 weeks. Transvaginal scan showed 8mm gestation sac with no fetus. Had vaginal spotting but now ok. Irregular periods. Small clot seen?
Miscarriage?: It is possible there may have been a miscarriage. At this time, ultrasound would help clarify the situation ...Read more
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