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Doctor insights on: Puppps Abdomen Larger Than Expected For Dates

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Fundal height is 4 weeks more than my due date but baby measuring 2 weeks smaller than my due date, what does this mean?

Fundal height is 4 weeks more than my due date but baby measuring 2 weeks smaller than my due date, what does this mean?

It means little: Fundal height generally approximates but does not always correlate to the actual gestational age. The measurement that you describe, I am assuming, is an ultrasound that is also an approximation. ...Read more

Dr. Emily Altman
17 doctors shared insights

Pregnancy Rash (Definition)

pregnancy rash is merely a description, not a diagnosis. however, there are some rashes that only happen during pregnancy such as Puppp (Pruritic urticarial papules and plaques of pregnancy) which can happen during the mid trimester and be very itchy. it can be treated ...Read more


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Are 11 week ultrasound more accurate for dating conception than 6 week ultrasound, both are transvaginal?

Are 11 week ultrasound more accurate for dating conception than 6 week ultrasound, both are transvaginal?

Not necessarily: Due dating pregnancies is more accurate with more than one ultrasound performed. However, the 6 week ultrasound might be more accurate in dating your conception. Either way ultrasounds have a 'fudge factor' of 1 to 2 weeks in determining accuracy. ...Read more

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Will dating scan at 9 weeks give a later lmp than actual lmp if i ovulated later than day 14?? Should i use dating scan to find ovulation date?

Will dating scan at 9 weeks give a later lmp than actual lmp if i ovulated later than day 14?? Should i use dating scan to find ovulation date?

9 week sono: A 9 week sonogram is very accurate. It has a margin of error of only about 3-5 days in experienced hand. If you have due date given by the sonogram you can type that date into a free online reverse due date calculator. This will show you the date of conception. ...Read more

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So would a transvaginal untrasound dating me at 7 weeks 3 days be early rather than late in guessing the date of conception?

So would a transvaginal untrasound dating me at 7 weeks 3 days be early rather than late in guessing  the date of conception?

Perfect time: Gestational age between 6 and 10 weeks is the most accurate way of determining date of conception. The error is about 3 days in either direction at that gestational age. ...Read more

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How come ultrasounds done at 6-8 weeks are considered more accurate than 12 weeks?

How come ultrasounds done at 6-8 weeks are considered more accurate than 12 weeks?

Less variability: There is very little difference in size between different 6-8 week embryos. Therefore there is less uncertainty of their ages. The further along the pregnancy gets, the greater the manifestations of individual differences. So a fetus that will be 9 lbs at birth will look bigger than one destined to be 6 lbs. ...Read more

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Are six week ultrasounds less accurate for dating a pregnancy than a eight week ultrasound?

Are six week ultrasounds less accurate for dating a pregnancy than a eight week ultrasound?

Ultrasound dating: First trimester ultrasound is accurate within 5-7 days. . There is no test that can date conception more accurately than a 1 week window. That said, there is some variable in the initial weeks. 8 wks is not necessarily more accurate for dating, but presence of a fetal pole and heart rate (which may not be seen at 6 wk) is more reassuring that the pregnancy is on track. ...Read more

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I had heavier & longer period then 2 weeks after that another heavier longer period they were both more painful than usual?

I had heavier & longer period then 2 weeks after that another heavier longer period they were both more painful than usual?

Seek care: There are several reasons for irregular bleeding. I recommend seeing a physician. You may be pregnant, have a hormone imbalance or other medical issues that need addressed. ...Read more

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Is allowing your body to miscarry naturally safer than medical or surgical treatment? Measuring 7 weeks 1 day, no heart beat. Only brown spotting.

Is allowing your body to miscarry naturally safer than medical or surgical treatment? Measuring 7 weeks 1 day, no heart beat. Only brown spotting.

Hard to say: This is a common occurrence, how it's handled depends on the doctor, and patient. Waiting means you don't know when it will happen, bleeding, pain, etc. Infection is a minor possibility. So watch for fever, foul smell. Please discuss w/doctor and the two of you will make best decision. Good Luck ...Read more

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31 week us baby is measuring 1 week and 4 days ahead. Is this normal? Both earlier us matched LMP to the day. Does this change conception or lmp

31 week us baby is measuring 1 week and 4 days ahead. Is this normal? Both earlier us matched LMP to the day. Does this change conception or lmp

No change: At 31 weeks, your due date is very firmly established and wouldn't change. What can change, of course, is the baby's growth. And it sounds like you're baby is growing well. It's possible if you or your husband (or both) are taller or bigger people, that your baby is just on the larger end of spectrum. Sometimes, if mom has diabetes, there can be macrosomia. Speak with dr. So you know diagnosis. ...Read more

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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

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Can late implantation bleeding make measuring from ultrasound 1 - 2 weeks younger than measuring from LMP?

Can late implantation bleeding make measuring from ultrasound 1 - 2 weeks younger than measuring from LMP?

Ultrasound: Implantation bleeding first of all is not a very common event. Ultrasounds by their very nature have a built in error factor depending on when they were preformed of plus or minus days to weeks. They are more accurate early in pregnancy but still are not accurate to the day. So if you are trying to determine paternity, you generally can only do that with blood testing after birth. ...Read more

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At 33 weeks pregnant, baby's femur measured slightly smaller than the gestational age and everything else was slightly larger. What could this mean?

At 33 weeks pregnant, baby's femur measured slightly smaller than the gestational age and everything else was slightly larger. What could this mean?

Normal variation?: Size, eg, length estimates by ultrasound can vary due to sonographer difficulty in obtaining measurement, inherent errors in the calculation, or genetic variation--just look at the parents of the baby! in rare cases variations from normal can be due to growth or other problem in the fetus. It is always appropriate to ask those ordering or performing a fetal ultrasound to interpret their findings. ...Read more

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Period 1 week early lasting 2 weeks, heavier than normal and no major cramping. Use condoms as contriseptive, 28 years old, negative pregnancy test. ?

Period 1 week early lasting 2 weeks, heavier than normal and no major cramping. Use condoms as contriseptive, 28 years old, negative pregnancy test. ?

Unclear question: From what you have described, you are not pregnant. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. ...Read more

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Is early ultrasound at 8w1d more accurate at predicting conception than LMP? EDD changed going by ultrasound now too...

Is early ultrasound at 8w1d more accurate at predicting conception than LMP? EDD changed going by ultrasound now too...

Possibly: Ultrasound done early is much better than LMP dating for the "Expected date of Delivery." Conception is another issue entirely. Usually conception occurs 2 weeks prior to a missed LMP, but this is ONLY an estimate. Conception dating is not something that is useful in medicine and there is too much variability to do that kind of dating, Unless you are an In Vitro (IVF) pt. Then you know for sure. ...Read more